![Nishikori signals the 'bird' strategy in his doubles match @ London Olympics 2012. Do you need any more proof for scratching the event - anywhere? Or are we not done experimenting if Nishikori signals the 'bird' strategy in his doubles match @ London Olympics 2012. Do you need any more proof for scratching the event - anywhere? Or are we not done experimenting if](https://media.tumblr.com/tumblr_m7zimj43X31qlew1u.bmp)
Nishikori signals the 'bird' strategy in his doubles match @ London Olympics 2012. Do you need any more proof for scratching the event - anywhere? Or are we not done experimenting if
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Body language expert reveals the intentions behind the most common British hand gestures | Daily Mail Online
![Hayden Leatherwood flashes a hand sign to his doubles partner, junior Jacob Tilton. Hand signs are used to communicate between partners where the serve is going and then where the other person Hayden Leatherwood flashes a hand sign to his doubles partner, junior Jacob Tilton. Hand signs are used to communicate between partners where the serve is going and then where the other person](https://i1.wp.com/smeharbinger.net/wp-content/uploads/2018/05/FDBR_6008-1.jpg?ssl=1)
Hayden Leatherwood flashes a hand sign to his doubles partner, junior Jacob Tilton. Hand signs are used to communicate between partners where the serve is going and then where the other person
Why do volleyball teams use hand signals and what are the most common hand signals they use? - Quora
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Jamie Murray: 10 things you didn't know about doubles tennis (including what whose hand signals really mean)
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Womens Doubles Tennis Hand Signal Stock Photo - Download Image Now - Doubles - Sports Competition Format, Tennis, Adult - iStock
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