You have Gsoares to thank for this next one. He's much better at this move than I am so I had him demonstrate it. This setup for the bow-and-arrow choke gives you an idea of its versatility and how it can be taken from all over the place. Later on I may show it from mount and side control, but by now I hope you've got the basics of it down and can figure those out for yourself.
You should be good with the basic pendulum sweep before working on this move. It is basically that sweep with the addition of a choking grip, but the most important aspects of this move are how you move your hips and legs, which will come from being proficient with the standard pendulum.
From closed guard, cross grip the sleeve.
Reach under their arm and grab your wrist, creating a figure-four grip.
Bench press your arm, stripping their grip.
Cross the arm and shove it to the floor as you sit up and grab the belt. Get your chest tight to their shoulder so they can't uncross their arm.
Reach around the head and grab the opposite collar.
Reach inside the far knee and pull your head to it.