Learning from less expereienced students...

Sometimes even an experienced student can learn from less experienced students. When you are trying to perfect a technique and can't, practicing it with less experienced students will help in figuring out those fine points. I think we break down the technique more and analyze it more when showing it to newer students. I'll have to ask a new student....

What is the most powerfull technique...

I really don't think one technique is better than the other one. They all work. It really depends on who is attacking and where the attack is taking place. In confined quarters, certain techniques are better. It all depends........