hi guys just a quick question. i have read alot about the shaft backing up from kevins threads, and it has the effect to open the clubface, i understand that players like nicklaus and couples played with this technique. i think kevin also mentioned that backing up the shaft causes the player to stand up the handle through impact which can also increase the rate of closure and cause hooks and pulls, i was hoping someone could explain how standing up the handle can increase rate of closure.
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