This video explains the Heel Hook Defense for Jiu Jitsu. Masakazu Imanari is one of the most dangerous and innovative grappling competitors on the planet.

Learn the most infamous leg attack entry in the history of BJJ and all the options, directly from its originator, Masakazu Imanari, in The Imanari Roll And Modern Leg Attacks From Japan by Masakazu Imanari.