I've seen these three videos:
https://m.youtube.com/watch?v=sQ2fSd53oao
https://m.youtube.com/watch?v=X2WQpREWsO8
https://m.youtube.com/watch?v=jDjEEX0ASxY
Do you feel this is a good sampling? Two of these are straight from Sztorc. I'm still not convinced.