This web site catalogues and describes Brazilian Jiu Jitsu techniques. These techniques originated from my class and seminar notes from my white belt days. Over time, they have been expanded and refined as I continue to learn, and the sport continues to evolve.
There are many Triangle Choke set ups, however, they all involve manipulating your opponent so that have have one arm inside your guard/in between your legs, and one arm outside of your guard/outside of your legs.
Setting up a Triangle Choke
Originally a Judo technique, this is one of the most popular BJJ submissions, and is also commonly seen in MMA. You could write a book on the triangle based on all the possible set ups, variations, and other details. What follows are the basics of the Triangle Choke.
With your opponent's left arm in between your legs: