The first installment in former King of the Cage fighter John "The Rev" Jensen's Forbidden Locks series, is now available for purchase. Regarded as a BJJ and mixed martial arts guru, John takes you through a highly detailed look at one of submission grapplings most infamous subjects: NECK CRANKS!
If you are looking at having a few extra tricks up your sleeve on the mat, for NHB competition or self defence, then this DVD is definately for you.