There is a gullotine+sprawl move that ends up with a) your legs wrapped around the guy's neck pounding at his face, or b) in a "spider guard?"

It works...in theory.

P.S. This thread caught my attention because it's similar to the "gillotine sprawl."
OK, I'll bite. How do you sprawl with your legs wrapped around his head? Alternatively, how do you sprawl and then move to spider guard?