'Sign Guys' Show Off Their Best Moves

"Sign guys" don't just twirl a piece of cardboard around telling you where to shop. They actually travel from around the world to compete in the World Sign Spinning Championships to see who the best sign spinner really is. And they don't just spin either, they also incorporate many different and awesome moves into their routine, over 3,000 of which have been compiled into a secretive "Tricktionary!" 

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