http://www.blackbeltmag.com?video=1 Mark Hatmaker is the author of the best-selling No Holds Barred Fighting series, Boxing Mastery and No Second Chance: A Reality-Based Guide to Self-Defense. His resume includes extensive experience in the combat arts, including boxing, wrestling, Brazilian jiu-jitsu and muay Thai. He is a highly regarded coach of professional and amateur fighters, law-enforcement officials and security personnel. In this video produced exclusively for Black Belt, Hatmaker illustrates techniques described in the December 2010 issue's installment of his monthly Versus column.
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