My Racket Is the Physics of Tennis: 

http://t.co/O9Z4a7MqwJ

If Two Heads are better than one, then how about Two Tennis Rackets?

https://goo.gl/zPQ9fc

Greetings from Professor Tennis:

http://about.me/ProfessorTennis

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Hello, I’m Prof. Don R. Mueller (aka the "Two Racket Guy"). I play an exciting form of tennis called Two-Racket Tennis. The two-racket game, unlike its one-racket counterpart, is truly a full-body workout as both sides of the body are utilized in a balanced way to play the game. For more information about the Two-Racket game check us out:…