Okay, so a guy tried a technique and it didn't work. Apparently, either he chose the wrong technique, didn't get the set-up, or the other guy knew how to counter. What's your point?For cryin out loud, there was a 3rd Dan Aikido black belt instructor with his own dojo who tried a joint twist in a BJJ contest while standing up and nothing happened, the dude just looked at him funny. It was hilarious to see. It did not cause anything