If the thumb is just a bit too long it can cause a separation between the first knuckle joint of the index finger and the space between the second and third knuckle joint of the thumb. When this gap is closed you can apply any pressure you like without rubbing. This is part of the "no air" grip.
As I see it there is a difference of wrist alignment regarding the shaft and clubface. If you are a hitter and want the thumb more towards the aft side of the club then you will have to turn your wrist a bit to accomodate the knuckle connection. The other side of the coin is if you are a swinger you would want the wrist more neutral and aligned with the top of the shaft and paralell to the leading edge of the clubface.
Either way, the closer the first knuckle joint of the left hand index finger can fit in between the second and third knuckle joints of the left thumb, you should be able to eliminate your blister.
As an after thought, I'm not sure where you connect PP #1 to your left thumb. I've read earlier a description of it but not quite sure it is clear in those terms.
Anyway, hope this makes sense.
As I see it there is a difference of wrist alignment regarding the shaft and clubface. If you are a hitter and want the thumb more towards the aft side of the club then you will have to turn your wrist a bit to accomodate the knuckle connection. The other side of the coin is if you are a swinger you would want the wrist more neutral and aligned with the top of the shaft and paralell to the leading edge of the clubface.
Either way, the closer the first knuckle joint of the left hand index finger can fit in between the second and third knuckle joints of the left thumb, you should be able to eliminate your blister.
As an after thought, I'm not sure where you connect PP #1 to your left thumb. I've read earlier a description of it but not quite sure it is clear in those terms.
Anyway, hope this makes sense.
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