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Skaters from the Junior Arizona Derby Dolls wait to compete at the National Championship for Banked Track Roller Derby in Los Angeles, California, June 7, 2013. Roller derby is a real, full-contact
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Manhattan Mayhem team captain Ginger Snap tightens a wheel on her skate before the first ever Gotham Girls Roller Derby exhibition bout between the Mayhem and the Brooklyn Bombshells at The Skate
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