when tracing the club moves on a slight arc, even though you trace a straight line. Try putting a shaft an a low bench or coffe table, shoe box or something of the sort. Watch the clubhead back andthrough and you will see it moves on an arc.
Covering keeps the clubhead more on the plane line then inside to inside
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If the right wrist flattens at or around impact, you will suffer from trajectile disfunction.
Threaded Mode
