It's not just the technique it's the way you look at stuttering. Believe me, I've tried the whole tightening of the PR muscle thing and I can't find mine. Stuff he says about adjusting your paradigm is legit though. Like when an ordering a pizza, the waiter isn't judging your fluency, he's just taking your order. Stutterers when faced with a speaking situation often feel like the listener is judging how fluent they are. He brings up some good points about adjusting how you view speaking situations. The paid stuff is one on one sessions over Skype. Most of his research and method is free.