The BJJ Modified Overhook by James ClingermanMaster the incredible functions of the overhook from one of the most sought after and respected BJJ black belt instructors in America, James Clingerman Easily attack one of the most highly utilized positional tactics in BJJ with this unique system that will have you encouraging your training partners and opponents to pursue the underhook Go far beyond the typical systems of the Whizzer and create a fully effective and aggressive overhook game Don't