that is like.. the triangle leg choke.. 
remember.. you can grab someone's arm, wrap your legs around the
neck and squeeze the carotids with your legs.. this will
effectively block the blood flow to the brain, causing your victim
to lose consciousness within 30 sec..
Triangle Lock, also known as Sankaku Jime in Japanese. One of my
favourites, but no matter how i attempt, people seems to be
un-affected by...
http://www.youtube.com/watch?v=IgwbIG-09-A
Perhaps I really suck at the ground work !
