Renzo Gracie's book Mastering Jujitsu makes the interesting and not otherwise repeated claim that BJJ is descended directly from Fusen-Ryu rather than Judo. Allegedly, while Judo was cleaning up at ...
I'm looking for exercises to help maintain a grip on an opponent's gi while pulling them around. There are two elements to this: strength and endurance. Meaning, I want my grip to be hard to break but ...