There are a thousand varieties to applying this choke, so I'll tell you mine. Renzo grabs his wrist, which is what most people do. Hey, if it works for you, don't let me tell you otherwise. For me, though, I prefer to grab the blade of my hand. While that can pop the wrist at an angle, that's actually a benefit. One trick to use is to dig in a scooping fashion your opponents larnyx up and into their throat. It adds a nice little bite to an already devastating and high percentage choke.
HT: MMA Training