Originally Posted by mastodon2222
I used to roll with a guy who would crank me in a can opener all the time, until I got a good tip on defending it - just let go of your closed guard and most of the pressure is gone.
I don't really respect the can opener as a submission for that reason. It's an alright way to open your opponent's guard, I guess, albeit kind of against etiquette in some gyms.
Another good counter is to let go of your guard, cup his elbow, under hook his leg, swivel your hips, and flower sweep his ass.