Transferring some stuff over from the advanced rubber guard thread:

Originally Posted by
gene k
I don't know if it's truly a good position or not but I have been playing with it a lot. I like how it makes the guy on top uncomfortable and takes very little energy to apply. There may be a little choke from it too, but needs more testing.
You probably remember seeing this vid a few years back. If marcelo was flat with hips down the choke would be around 0:17-0:22. As soon as you lock it up, press into opponents neck and keep his head away, at that point he won't be able to stack, and keep your other arm free to block opponents hand from pressing down on your face and trying to step over. Press your free elbow into opponents hip for more pressure and so he can't step over.