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Old 09-14-2012, 07:37 PM   #2
Bionic Poster
Join Date: Dec 2008
Posts: 35,403

Too much conjecture. Just go out to the courts, toss above your head, strike the ball with the racket moving upwards, clear the net by 3', and the resultant twist serve bounces head high, opposite direction of the flight.
LeeD is offline   Reply With Quote