The Twisticana is a submission working off of the Twister if you are having trouble breaking your opponent's grip in order to finish the Twister.
The guy in the video does a great job of breaking down the submission including the transition from the back mount to Baseball Bat control. From there he is switching his hooking arm and Key Locking his opponent's wrist.
Next he shrimps his hips out in order to help create the leverage he needs to break his opponent's grip. Then he drives the arm to the mat and sucks it in so that the submission is ready to go.
