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If you cannot take the shoulder down the clubshaft plane, you must take along some other path and add compensations - now, instead of one motion to remember, you wind up with at least two!
Andy was a classmate of mine at the Golfing Machine GSEB level II seminar. I had the chance to work with Andy as a partner on when we did our work, on the range. He is well acquainted with the Golfing Machine and I beleive he attained A.I. status.