At Amarillo Extreme Martial Arts we teach fundamentals as well as advanced Brazilian Jiu-Jitsu techniques. This is one of the best advanced Jiu-Jitsu techniques that is also great for self-defense. In a grappling situation, whether it be Gi or no-Gi, this technique is highly effective. This is one of the many submissions we learn from Kesa Gatame.
Watch a demonstration below: