Another one that you may or may not have seen floating the interwebs: A couple interesting techniques for countering the classic Teuller drill - guy with a knife in hand at 21 feet versus a guy with a holstered gun.
Knife guy is Doug Marcaida, one of the leading experts in kali and knife fighting in the world.
Thoughts? Practice your combat rolls lately?
I don't see too many school practicing this hot on the range...