The Whip-Grip by Professor Tennis (Don R. Mueller, Ph.D.)
Kick the Buttcap: Using the Whip-Grip
Lessons in the Physics of Tennis
Add significant mph to your serve and groundstrokes with the Whip-Grip.
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© 2013 Created by Mark / The Mayor.
Kick the Buttcap: Using the Whip-Grip
Lessons in the Physics of Tennis
Add significant mph to your serve and groundstrokes with the Whip-Grip.
Comment
© 2013 Created by Mark / The Mayor.
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