Shaft lies under the heel across the palm for the left hand and in the cup of the right hand. This allows each hand to move in its plane of influence. There are strong and weak versions of each grip type. 10-2 goes from A-G. It is all about Hands to Plane. Power is built in each type.
Sorry for the non-answer but once you learn what you need you are that much better.
Mike,
I have never heard that the right hand grip is in the palm? Your not talking about a Moe Norman like grip are you? Please explain some more.
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