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Old 08-05-2013, 10:50 PM   #46
GuyClinch
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Join Date: Aug 2004
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Testing it out with tennis warehouse shot maker thing - it shows basically no spin with a flat stroke and a slightly closed face..

Tennisspeed guy seems to think this equation is wrong.. Not sure if I buy it. Those closed face allows you to really benefit from the WW swing - if you try it with an open or flatish face I think you launch a looper..

Fed has a fairly modest uppercut to his swing but he really turns the hand (I guess tennisspeed guy calls it elbow pronation) very violently..
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