BJJ Black Belt Brian McLaughlin shows a gi choke from side control.  The key detail is the use of the crucifix which makes escaping the position as well as defending the submission virtually impossible.  In this instance the crucifix is setting up a choke, but there are a variety of elbow and shoulder locks that are easily applied from this position as well.

Brian McLaughlin is a BJJ black belt living in Wappingers Falls, NY.  Train with him at Precision MMA Free for 30 Days visit http://www.poughkeepsiebrazilianjiu-jitsu.com to get started.