Master Burrese, it's great to have you here, and please do mention this website to your students as well. I think you'll find that this is a good spirited forum and not subject to the acrimonious debates you might see on some other forums.
I'll probably have several questions for you, but I'll start with a really simple one. One thing I've seen you do in your Lock On series - which is really excellent, by the way, very well produced and organized, and hugely informative - that I haven't seen before is that when you take someone down with certain locks - for example with a twisting arm lock - you stick your foot out to the side to trip the person as he goes down. Just to take one example, in Lock On Volume 3, at 23:45.
Are you not worried that he might fall onto your foot, damaging the ankle? Have you ever found that to be a problem?