Anyone familiar with it? www.targetfocustraining.com
It's not for the antisocial violence that can occur when you inadvertantly spill a drink on someone or take their seat at a bar.
It's purpose is to deal with the asocial violence of a sociopath intent on inflicting serious injury or worse. (They are big on explaining the difference between antisocial and asocial violence.)
I'm signed up for a two day class in New York next weekend, and while I'm looking forward to learning the techniques, I sure hope I'm not going to be maimed in the training.