In other words, it is an arm bar. I just started taking judisu, and I've grown an intrest in grappling, adn jeet kun do. Anyway, basically, u use your let as a lever against the person's elbow, which applies pressure, which equals pain!!! Very painful, even against my sensi, who is 40 yers old and strong. If u want to take a look at the different techniques each different style of martial arts, i suggest downloading the Discovery special Extream martial arts. It shows each arts strenghths and weaknesses. Give it a look. I'm 12 yrs old, and I've been taking tang so do for 9 years and Judistu for about 3. I just want to find out, how old is the range of people using this forum? I want to know who my audience is