You may have not ever heard of it before, but the Canadian necktie is a brutal choke. Much like a guillotine choke, the Canadian necktie uses the wrist to cut down on the windpipe of your opponent. It’s a painful submission that will usually get you a quick tap.
In the variation of the Canadian necktie taught by ZombieProofBJJ, you go for the submission as your opponent is driving forward trying to flip positions and get on top. This technique also utilizes your leg to pin them in place and keep them from escaping. To see it demonstrated, be sure to check out the video below: