Understanding Golf Club Bounce Angle

What is Golf Club Bounce? Technical Director Jeff Summitt Explains

Bounce angle is a term generally associated with wedges, but any golf club can have a bounce angle. Besides the golf shaft, bounce angle may be the next most misunderstood concept of a golf club design. Part of this lies in the definition. I have seen many places where the writer defines the bounce as:(Old definition) The measurement of the number of degrees from where the club rests on the ground and the club’s leading edge.While the definition above may have been true in the past, it is technically not correct anymore. Before I explain why, let us lead you gradually in this discussion by examining the anatomy of the sole.

First, there are four factors that go hand-in-hand in understanding this design parameter of a golf club; sole radius (if at all), sole width, leading edge height and contact point on the sole.If you look at a barrel of old irons, there will be two things you will notice about the sole of a golf club: they were very narrow and they were flat (or almost). Going through my collection of clubs, even game improvement irons as late as the end of the 1990s exhibited relatively narrow soles (0.75” wide or less) and very little radius compared to custom golf clubs offered today. Take one of these clubs and place it on a table with the shaft being perpendicular to the ground. A toe view of the club should look something like the following diagram.

Looking at the anatomy of the sole, there are a couple important terms to know. The outermost dimensions of the sole are the leading edge (positioned at the bottom of the face) and the trailing edge (positioned along the back edge of the head). The distance between the leading and trailing edges is the sole width. Note that the trailing edge of the sole may be tapered, so the sole width may vary along its’ length. Most manufacturers will reference the center point of the sole for this dimension. It is also important to realize that few irons are perfectly flat on the sole although it may look that way. In addition, head manufacturers will normally grind or radius the leading or trailing edge so that it is not a sharp point.

The next term to mention is the contact point or where the sole makes contact with the ground line when the hosel or shaft is perpendicular to the ground. In the diagram above, the contact point is in the center of the sole meaning that both the leading and trailing edges of the sole are parallel to the ground. If the sole were perfectly flat, then the contact point would be the entire sole width.

What happens when the contact point is not in the center of the sole? To start out the understanding of bounce let us use our example where the sole is perfectly flat, contact on the sole is not in the center and yet the hosel is perpendicular to the ground. In this case, there are only two possible positions that the sole can rest on; the leading and trailing edge of the sole.

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In the case where the contact point is on the leading edge, then the trailing edge with rest above the ground line. The sole angle relative to the ground line forms the bounce angle. In our example, a 0.75” wide sole has the trailing edge measuring 0.052” above the ground line, which creates a 4° sole angle pointed toward the ground. When this condition occurs, it is referred to as a negative bounce angle or also referred to as a “digger” sole. A digger sole does just that as it has a tendency to dig into the ground, which could be considered a negative design characteristic for any club designed to hit off of the ground.

Conversely, if the contact point is on the trailing edge, then the leading edge with rest above the ground line again forming a sole angle relative to the ground line. The bounce angle with a 0.75” wide sole with the leading edge measuring 0.052” above the ground line creates a 4° sole angle pointed upward from the ground. When this condition occurs, it is referred to as a positive bounce angle.

Why would a golf manufacturer design a golf club with bounce in the first place? It is important to understand at impact that the club may not return with the hosel perpendicular to the ball or that the golfer starts out with the club positioned as the manufacturer measures the loft of the club, but perhaps with a forward press. Whenever the ball is positioned on the ground, it may be necessary for the golfer to hit “down” on the ball in order to make solid contact and achieve getting the ball airborne and with increased back spin. For a further explanation why it is important to hit down on the ball, please reference the Angle of Attack article. To account for the downward angle of attack, manufacture’s needed to create some bounce into their designs in order to avoid the club from burying into the ground conditions.

Here is an example of the same flat-soled iron with a 4° bounce angle with the shaft parallel to the ground and next to it, the same club at impact with a 4° angle of attack. By creating the bounce leaving the leading edge above the ground at address, avoided the club from digging into the ground at impact. As the angle of attack matched the bounce angle, the contact point of the sole on the ground is in the center of the sole. If the angle of attack had been any less than 3°, then the trailing edge would have made contact with the ground, thus the ball would make contact on the face closer to the leading edge of the face. However, if the golfer struck the ball with an angle of attack greater than 5°, then the leading edge would have made contact with the ground first.

Luckily manufacturers have done away with flat soles as the margin for error is small. The modern iron looks more like the following diagram and as you can see has a sole radius from front to back with no well defined trailing and leading edges to reference. Sole radius accounts for variable angles of attack with minimal contact of the sole on the ground

Producing a radius on the sole, the clubs could conceivably make contact with the ground line at several different positions not possible with a flat sole. Examine the next diagram in regards to the sole radius and the contact point. With a flat soled club, contact made with the center of the sole touching created no bounce as the leading and trailing edges would be level with one another. Therefore on a radius soled club, 0° bounce occurs when the contact point is made in the center of the sole when the shaft is hosel is perpendicular to the ground. A positive bounce angle occurs when the leading edge is higher than the trailing edge. For this to occur with the shaft perpendicular to the ground, then the sole contact must be made rearward from the center of the sole. A negative sole angle occurs when the trailing edge is higher than the leading edge. Again, with the shaft perpendicular to the ground, the contact point on the must be forward of the center of the sole.

However, this is the very reason why the original definition does not apply anymore. For example, the contact point could be located in the very center of the sole. By the old definition, it was the angle created by the contact point and leading edge. When the sole was flat, this was true, but not with a radius sole. Look at the following diagram to see the reason why. As mentioned before, if the contact point is in the center of the sole on a club with a radius, then there is 0° bounce therefore this drawing doesn’t accurately depict what sole bounce really is.

(Correct definition) The measurement of the number of degrees between the clubs’s leading and trailing edges in relationship to the ground line when the club is in the square position and with the hosel perpendicular to the ground.

This leads us to the next part of the discussion to understand how bounce is made / measured on a club with a radius sole. In order to produce a radius, there first needs to be a circle. For example, let’s say the circle on the right has a diameter of 4” so the radius of the circle is half of that or 2”. The radius of the sole can only be as wide as the sole itself. Scaling to the diagram, the sole radius will be 1.25” (as indicated by the solid red line), which is extremely wide, but selected to better illustrate the basic idea.

Look at the two pie-shaped segments within the circle. At the base, each is one-half the width of the sole. Where they connect would be the contact point on the ground line which would be in the center of sole. Due to the radius of the arc, only one point along the circle can make contact with our ground line, therefore the outermost positions of the pie shaped pieces along the circumference of the circle will be higher than the ground line. These are labeled “leading edge” and “trailing edge”, which the red line depicting the “sole width” which is parallel to the ground line. Using our example with a 2” radius and a 1.25” wide sole width, the leading edge will be 0.1” above the ground line, yet the bounce is 0°.

A flat soled club with a 1.25” wide sole and 0° bounce, the leading and trailing edges would be on the ground. It is important to understand effect of sole width on the distance from the leading edge to the ground line. There is a faint dotted orange line above and parallel to the red line. If the sole width was 2”, then the leading trailing edges would be 0.268” above the ground. Contrarily, the shorter the sole width, the leading edge would not be as high given the same sole radius. The importance of this statement will come later.

Now that we have established the sole radius and sole width, the next thing is to select the degrees of bounce to create the leading edge height and contact point on the sole. To help understand this part, let’s take the two pie-shaped pieces and the solid red line out of the circle. In the diagram below it looks like we now have four tiny ships. The one on the furthest left is our original model from the diagram above. The second model is the same segment of the circle, but rotated 4° counterclockwise from the center of the circle so that leading edge is higher than the trailing edge. The dimension to the right of each segment is the dimension from the leading edge to the ground line. This would be considered positive bounce because the contact point is now located rearward of the center of the sole. Again, it is not the contact point that determines the bounce it is the difference between leading and trailing edges in relationship to the ground line.

The third model in the diagram shows when the segment of the circle is rotated 4° clockwise from the center of the circle so that trailing edge is higher than the leading edge. This creates a negative sole angle, but due to the radius, the leading edge is above the ground line (0.052”). The last model represents what happens more on a sand wedge where the bounce is much higher than typically the rest of the set (in this case 12°). The contact point is much closer to the trailing edge, which also raises the leading edge higher off of the ground. A situation where the leading edge is too high can lead to shots that can be bladed in certain situations.

As mentioned earlier, the narrower the sole, the less height the leading edge is above the ground line. By narrowing the sole from 1.25” to 0.781” (closer to a normal sole width), the leading edge lowers substantially with the same 2” sole radius. The model on the far right illustrates just how bounce itself does not tell the whole story. There is a term called effective bounce, which is the bounce measurement, along with the leading edge height and sole width. Even though the fourth model in the two diagrams have 12° bounce, the leading edge height is a little over 0.1” difference. While this may not seem that great, it can make a big difference in the playability from a tight lie versus a fluffy lie, with the former being better for tighter lies or firmer terrain.

In addition, sole radius plays a factor in how the leading edge can be up off of the ground. Let’s use the same 0.781” sole width as above, but increase the radius to 1.5” (remember the smaller the circle the more radius occurs). Incorporating a greater radius on the sole allows the leading edge to be higher off of the ground. Look at the difference between first two models in the two diagrams as both of these have 0° bounce. Where the difference really shows up is when the sole is rotated clockwise, the same as if the head was de-lofted due to a descending angle of attack, the leading edge is not as low to the ground and less likely to dig in. This is one of the reasons why normally you find more bounce on narrower soled clubs as often the sole has more radius than a wider sole model.

A prime example of this (although it does not exist in any head that I am aware of) is if the radius was very small (0.625” radius) and the width was extremely narrow (0.5” wide). Even if the club had 30° bounce, the leading edge would only be 0.25” above the ground line! Below is a quick guide to factors and how they affect leading edge height:

More radius (think of a smaller circle) = The higher the leading edge will be off from the ground
Wider sole with the same radius = The higher the leading edge will be off from the ground
Greater degree of bounce = The higher the leading edge will be off from the ground
Ascending angle of attack = The higher the leading edge will be off from the ground
Less radius (think of a larger circle) = The lower the leading edge will be off from the ground
Narrower sole with the same radius = The lower the leading edge will be off from the ground
Lesser degree of bounce = The lower the leading edge will be off from the ground
Descending angle of attack = The lower the leading edge will be off from the ground

To better illustrate the effect of sole width and radius on the bounce angle, examine the following chart. The chart represents two different width soles (0.781” and 1.25”) and three different sole radii (flat, 3” and 1.5”). Note: the leading edge has not been ground off in these cases leaving a sharp distinctive point of reference. In addition, these are not necessarily recommendations or fitting examples, rather more for the purpose of explaining their relationships.

The most common sand wedge bounce is 12° on a medium width sole (0.781”). Looking at the Leading Edge Height from the Ground Line chart, we can see that the distance to the leading edge would be 0.163”. The same leading edge height occurs with the flat sole and the one with the 1.5” radius. Remember we said before that the club may not end up in the exact same position? Let’s say a golfer was to use each of the clubs and had a 5° angle of attack. When the club returns to impact, now the leading edge has been lowered by the golfer. The underlined values at the 7° bounce (12° bounce minus the 5° angle of attack) show the new leading edge height. The head with the greater radius has the leading edge height higher than the other two heads with the same sole width (0.096” vs. 0.110”).

Leading Edge Height from the Ground Line
Sole Radius Flat 3″ 1.5″ Flat 3″ 1.5″
Sole Width 0.781″ 0.781″ 0.781″ 1.25″ 1.25″ 1.25″
Bounce in. in. in. in. in. in.
0 0.000 0.026 0.052 0.000 0.066 0.136
1 0.014 0.033 0.059 0.022 0.077 0.147
2 0.027 0.041 0.066 0.044 0.089 0.159
3 0.041 0.050 0.074 0.065 0.102 0.171
4 0.055 0.060 0.083 0.087 0.116 0.183
5 0.068 0.071 0.091 0.109 0.131 0.196
6 0.082 0.083 0.101 0.131 0.147 0.209
7 0.095 0.096 0.110 0.153 0.164 0.222
8 0.109 0.109 0.120 0.175 0.181 0.236
9 0.123 0.123 0.131 0.196 0.199 0.251
10 0.136 0.136 0.142 0.218 0.219 0.265
11 0.150 0.149 0.153 0.240 0.239 0.280
12 0.164 0.163 0.165 0.262 0.260 0.296
13 0.177 0.176 0.177 0.284 0.281 0.311
14 0.191 0.189 0.189 0.305 0.302 0.328
15 0.204 0.203 0.202 0.327 0.324 0.344
16 0.218 0.216 0.215 0.349 0.345 0.361

You might have noticed that most wide sole cavity back wedges do not have the same amount of bounce as a narrower blade-style model. To have the same effective bounce, less measured bounce is needed and here is the reason why. Let’s say we have a 1.25” wide sole wedge with a 3” radius. This will effective make the leading edge 1.81” above the ground. The same golfer with the 5° angle of attack will now return the club at impact with a leading edge height of 0.102” or the equivalent of the narrower sole clubs with greater bounce.

In an extreme example of where there is a very wide sole (1.25”) and has a high sole radius (1.5”) the manufacturer may select a bounce for the sand wedge may appear low on paper, for example 4°. This still leaves the leading edge height 0.183” above the ground. Even if the golfer returned the club with a 5° angle of attack, then effectively it has a negative 1° bounce. But due to the high radius sole, the leading edge will still be approximately 0.125” above the ground.

You might even see long irons with negative bounce as part of their specifications. Once considered that the head was inaccurately manufactured if the bounce was negative is no longer true. Often times the #1, 2 and even 3-irons are used off of a tee. Thus any time the ball is off the ground, then an upward or ascending angle of attack occurs which will add both loft and bounce to the club at impact. Even if clubs with negative bounce are hit of the ground with a level swing, the modern sole radius will prevent the chance of a “fat” shot as the leading edge will be above the ground line.

Most manufacturers do not provide bounce specifications other than for the wedges, perhaps for good reason as it can be quite confusing to the customer. Even if they did, sole radius and sole width specifications will not be included. So it is really up to the manufacturer to understand these relationships when designing a particular model to make it playable.

Very few times you see the exact same head, but in different bounce option from a fitting situation. The only time multiple bounce options are available occurs with only a few name brand manufacturers who will sell enough to make it a worthwhile investment in tooling. The two leaders in the wedge category (Cleveland and Titleist) offer some high bounce and even low bounce options for the different conditions and the golfer’s angle of attack. Otherwise it will require a skilled clubmaker to grind the sole or alter the loft to customize the effective bounce.

By reading this article, hopefully you have gained a better understanding and comprehension of what exactly the bounce angles mean and how the manufacturers derive at their final product. Bounce can be more complicated than this when you factor in any maladjusted lie angle, if the face is opened or closed or if the sole was produced with multiple radii or intricate grinds or bevels on the sole. However, the basics regarding sole width, leading edge height and contact point on the sole still apply.

Jeff Summitt, Technical Director has been part of the design, research and development of custom golf clubs and golf components for over 26 years.


  1. […] While the definition above may have been true in the past, it is technically not correct anymore.  Before I explain why, let us lead you gradually in this discussion by examining the anatomy of the sole. First, there are four factors that go hand-in-hand in understanding this design parameter of a golf …continued […]

  2. mark myrhum says:

    This is a good review of bounce and probably the most recent thinking due to the sole width trend that has happened. Probably one of the most overlooked specs by many designers. Good job Jeff!

  3. Phillip Marshall says:

    Thanks but Iam still confused about selecting the right sand wedge THANKS

  4. richard rawlings says:

    To hit a lob shot of 5-10 yds to a elevated green with short pin (using a 60 degree wedge) is a wedge with a low bounce(4degree) better than a high bounce (more than 4 degree)-usually fo tight lie.

  5. Peter Langan says:

    A great dissertation on “Bounce”, and I’m, as usual, very impressed with Jeff’s knowledge of golf clubs.
    However, by the end of the article I was looking for a summary that provided a suggested bounce, radius, et al for us consumers. Maybe too much of a G.W.B. simplification, but it would really help in our decisions re sand wedge purchases.

  6. Al says:

    Nice technical article…but I still do not understand – clearly – how that translates to club selection and course conditions…..for example, if most courses I play are public/semi-private…and the fairways are not groomed like Augusta National…what is the best bounce for my wedges?….what are considerations for the sand trap?….thanks…

  7. Jeff Summitt says:


    Much will depend upon what you are currently using. That is what is the sole width, bounce and sole radius of your current sand wedge? The last question you probably cannot answer without having access to a radius gauge. But more importantly what problems are you having like blading the wedge over the green or having the wedge dig into the sand and you end up hitting weak shots out of the bunker? I cannot recommend a SW by bounce alone as a few others specifications also have a cause and effect relationship with bounce and your angle of attack.

  8. Richard Keating says:

    just read your article on bounce. The question I have is, “What effect does the bounce angle have on the balls reaction when when it hits the green?” Can I assume the higher bounce angle will cause the ball to roll farther when it hits the green and that the lower bounce angle will cause more backspin?
    Thank you.
    R. Keating

  9. Jeff Summitt says:


    The backspin is more of a function on how you “pinch” the ball. That is how cleanly you hit the ball, your angle of attack and how much moisture is between the face and the ball. Bounce angle might have some influence on how solidly you might be able to hit the ball.

  10. Jack Sullivan says:

    Pls advise what a cambered sole is…and how it is used. Thx, Jack

  11. Jeff Summitt says:


    A cambered sole simply means that the sole is not flat, but radiused – in most castes front-to-back and heel-to-toe. This allows the sole to conform to different lies and elevations by being less likely to dig and so it glides on the terrain.

  12. vincent says:

    Great article! I just understood why I systematically dig my 60 degrees, while I ve no issue with the 56. 6 degrees of “bounce” make the difference. Thanks!

  13. […] recently had a nice long conversation with a professional club fitter regarding the bounce article that I had written a couple years ago that prompted me to write this Blog posting. One of the […]

  14. Mark says:

    Is there a big difference between a Vokey 58.8 and a Vokey 58.12?

  15. Jeff Summitt says:


    4º is the amount that most manufacturers will discern from mid bounce to low bounce or from mid bounce to high bounce as in this case. If you played from a hardpan lie or an area where the grass was bare or have a shallow angle of attack (sweeper), then I think you would notice a difference in ball flight and solidness of contact.

  16. Vince says:

    Thanks fellows; I had pretty much made up my mind to buy a Cleveland CG15 with 14 bounce. Now after reading all this, I’m so confused, I may use my
    2 iron

  17. Rick says:

    Great information and insight for all skill levels of players. This has enlightened me, and motivates me to research even further the cause and effects of attack angles, bounce angles and the overall effect of ball flight when combined. I believe this greatly affects the decision-making process for the many types of shots required to improve my gamemanship. Thanks, Jeff! Good stuff!

  18. Jim Halbersleben says:

    I have a Ping G10 sand wedge.I thas a 54 degree loft and n .13 offset and a 12.o bounce and the back edge has been rounded off. Ialso have a aCleveland G10 56 degree wedge that has been rounded off with a swinweight o 12 and a 12.0 counce . Around the greens in the hih apron grass and when I want to flop a shot the cleveland wedge gives better results. I feel it is be cause the sole width isn’t as great as the Ping sole width enabling me to get the Cleveland under the ball better than with the Ping which has a greater sole width. What are your thoughts and the same thing is true in dry sand but I can’t advance the ball as far with the Cleveland as with the Ping.

  19. Jeff Summitt says:


    A narrower sole will in effect have less effective bounce and make it easier to get under the ball. Regarding distance, that can be a function of the shaft, overall weight and offset aside from the bounce or sole configuration. Plus, don’t forget the number engraved on the sole to indicate loft isn’t always exact. There is usually a +/- 1º tolerance. That 54 degree wedge could be anywhere from 53 to 55 degree and be perfectly normal.

  20. Vudo2 says:

    What would you suggest for taking fairly accurate measurements for the Negative Bounce on Putter heads? I understand there are devices that can be used for measuring the hosel lie and face loft of putters but how would someone inspect a Negative Bounce angle and get a fairly accurate reading on what it is? if the norm is somewhere around a 2 degree negative bounce how can I be sure any putter is close to this spec?

  21. Jeff Summitt says:


    There is a method to follow that I wrote in this Blog posting:http://blog.hirekogolf.com/2009/11/simple-method-of-measurement-for-golf-club-bounce/

    Unfortunately the links are broken for images which are worth a thousand words.

  22. Ward says:

    I want to purchase a new 48 degree wedge for use off short fairways and normal roughs. Available is a 6 and 8 degree bounce. Which would be better.

  23. Jeff Summitt says:


    It is impossible to tell because I do not know what the sole widths and sole radius are on the two clubs. Not only that, but how you come into contact with the ball (sweeper/slidee or a digger). All those need to be factored in.

  24. Texas Bob says:

    Jeff, I plan on buying titleist ap1 712 irons and making the lofts 2 degrees strong. Tis means the 3 and 4 iron will have -1 degree bounce and the 5 and 6 iron will have 0 degree bounce. Do you think the clubs will still be playable or will they dig too much? Hopefully, the leading edge will still be off the ground, if I’m phrasing this correctly.

  25. Jeff Summitt says:

    Texas Bob:

    You should have no troubles because there will be a front-to-back radius. If the sole was flat, then that would be an issue. Hitting down slightly on the ball will still keep the leading edge from digging.

  26. Holman Wertz says:

    Dear JEFF,
    Two club fitters had two different suggestions for a Titleist 56 degree wedge. Most of the time the club will be used on Texas courses. One suggested a 11 degree loft, the other an 8 degree loft. Since I do not create huge divots and have a weak left elbow, which of the two suggestions is more ‘user friendly’? Thank you.

  27. Jeff Summitt says:


    The 11 degree bounce would be considered their normal bounce and the 8 degrees as low as the clubhead and sole design are no different. You may not producing a huge divot, but if you are taking a divot (rather than just bruising the grass), I would opt for the 11 degree model. The bruiser divot (think sweeping or picking) or if the turf and sand is so hard you can’t take a divot, then go with the reduced bounce.

  28. Pittsburgh Nick says:

    Hi. I have Vokey spin milled wedges with the illegal grooves. I have a 48.07, 52.08, 56.11,and 60.07. It seems that they are more difficult for me to hit consistently than my taylormade burner 1.0 9 iiron, PW (45 degrees), and AW (50 degrees). I hit my driver and irons well and putt well but really struggle with my wedges. I shudder everytime I am 70 yards or closer to the pin when I need a reliable shot. Why are the Vokeys more difficult to gain consistency with and should I just forget about them and play the taylormade 9 iron, PW and AW? I practice my wedge shots at a public course but wonder if I made the wrong selections with the Vokeys. I play near Pittsburgh, PA. Thank you for any advice!

  29. Jeff Summitt says:

    Pittsburgh Nick,

    Your struggles may have nothing to do with bounce, but rather club head type and shaft. The Vokey wedges are blades with almost no offset or perimeter weighting and the shaft will be much heavier and stiffer than those in your TaylorMade irons.

  30. Pittsburgh Nick says:

    Can you recommend any gap and sand wedges for higher handicap golfers who could benefit from perimeter weighting, more accomodating club heads and lighter shafts? Doesn’t Cobra or Cleveland make such a wedge?

  31. Jeff Summitt says:

    Pittsburgh Nick,

    Look at the wedges that come with the matching sets of irons, especially any game improvement irons as they are likely to have lighter shafts. This goes for any manufacturer including Cobra, Cleveland and all the models we sell.

  32. John Dupuis says:

    I have a set of I20 irons and am thinking of getting the WRX bounce grind done to them. I am a picker/sweeper and I noticed the I20’s have very high bounce angles, ranging from 5* to 13* in the 4-GW set. My typical miss is thin , thin , thin… would getting a bounce reduction of between 2-3* on each iron be beneficial to my swing type and help with lowering the leading edge height.
    Thank You For Your Time
    John D

  33. Jeff Summitt says:


    Consistently missing thin may or may not be caused by too much bounce. First make sure the club are not too short and that is the root cause. Secondly, look at previous sets that you might have owned or used in which they didn’t cause you to hit the ball thin. Oftentimes you can search the internet for specifications to see what the bounce might have been, as well as length. The i20 will have less offset than most game-improvement models and could be as simple as ball placement in your stance. Moving just a ball width back will have you hitting down and at the same time decreasing the bounce.

  34. Draper Jim says:

    After reading your article it appears that bounce needs to be considered differently in and out of sand. Sand play has been covered ad nauseam over the years, but fairway play has not. To my way of thinking, greater bounce, say 6 degrees in a 7 iron instead of 3, might handle better on a wet course and avoid the tendency to take oversize divots after striking the ball. Conversely, a dry course tightly cut in late July could be perceived as ideal for a lower bounce. Aside from this I can’t think of any reason bounce would be a concern to mere mortal golfers – something akin to debating whether the trunk lock button should be on the left or right side of the remote.

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