So I went to a Sambo school around here and rolled with few guys (were all novice/young so it wasn't that great of a challenge). Then some big dude who was working that bag wanted to roll with me because he is JJ coach of one of the kids I been rolling with. So, I'm like cool I get to roll with a bigger dude (I knew he would maul me, but benefits of power grain are great). So we roll roll, he overpowers me all the time, blah blah nothing major. Then he fucking pulls this: BJJFighter.com - the ultimate brazilian jiu-jitsu web site I never been taught this, and I never freaking thought it would be that fucking close to breaking my two arms so fast, faster then anything I seen. There literature no space before your arms snap. I screamed like a mother fucker, good thing dude let go. He thought he snapped both of my arms. lol. Obviously I know I made a mistake of exposing my both arms, are there counters to this ONCE its locked on? I assume your instantly owned?