So zone 2 is the clubhead and zone 3 is the clubface. Even though PP3 is in zone 3 it only senses the clubhead, while the motion of the arms should control the clubhead ? This is cool, thanks Drew.
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"Golf is not a subject but a motor skill which can only be learned and not taught." - Michael Hebron
"The Body, Arms and Hands have specific assignments during the Golf Stroke, and they must be coordinated into one efficient motion." - Lynn Blake