The key to Wimbledon success has nothing to do with serving, groundstrokes or keeping the whites washed and pressed. It's all about finding things with which to keep busy during the interminable rain delays.
Good thing for Novak Djokovic, Andrea Petkovic and Victoria Azarenka then that there's a yellow hula hoop around. The players were goofing around with the kid's toy in the locker room this last weekend while rain kept them off the practice court. Petkovic captured the impromptu competition on video: