Most fighters know how to put you down with nasty and painful submission holds. What almost NO ONE in the world has figured out is how to quickly ESCAPE from these "impossible" submission holds.

Mark Hatmaker spent NINE YEARS studying the BEST groundfighters in the world and picked apart their favorite holds until he discovered the secret of escape for every hold.

Vol 1: Escapes from Impossible Holds Vol 1
Vol 2: Escapes from Impossible Holds Vol 2
Vol 3: Ground Zero

Mark Hatmaker is a lifelong student of the martial arts with more than 24 years of experience in Western boxing, wrestling, and no-holds-barred fighting. Known as "The Professor of Grappling," he is widely recognized for his pragmatic, results-oriented approach to combat training. Hatmaker conducts regular seminars across the country.