Kieran Visser-Lewis | Jiujitsu Competitor on Instagram: "John Danaher’s Strait Jacket System is the secret to 100% Back Control finishing rates. Stop fighting two hands with one. Most grapplers fail to finish the Rear Naked Choke (RNC) because they get stuck in a “fair” hand fight. In this breakdown, we see how Gordon Ryan uses the Strait Jacket to “delete” the opponent’s defense by trapping the arm with the legs. This creates a 2-on-0 advantage that makes the submission mathematically inevitabl