Mark Hatmaker: Rock of Gibraltar Training Drill

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.