The 50/50 Arm Passing System by Leo VieiraJiu Jitsu Legend Leo Vieira is here to show you how to pass the guard using his 50 50 Arm Passing System. This No Gi passing approach will help you lock down your opponents legs and leave them with little defense. Leo systematically attacks the guard in a step by step process that stifles your opponents movement. Good Guard players rely on movement and angles, Leo teaches you how to shut that down with the 50 50 Arm Passing System. 50 50 Arm Passing