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Roger Federer's miraculous between-the-legs shot on Monday night has a "don't try this at home" quality that can't be overstated. Successfully pulling off the tweener without self-inflicting minor injury is something best left to the professionals.
However, if you have a little daredevil in you, Andy Roddick is happy to show you how to attempt the tennis trick shot. Tip No. 1: Have your kids first.
Luckily for Federer, he and his wife Mirka already have twins.