You're out for a walk in the city at night and a man approaches you. Before you know it, he comes at you for a knife attack. What do you do? In a martial arts magazine, self-defense expertsc ould suggest a variety of counterattacks — some from the traditional martial arts arena, some from the modern martial arts such as krav maga ,and others from the reality-based self-defense world of combatives and the like. The common element, though, would be a picture-perfect execution. "Assailants" attack when the self-defense instructor tells them to, the photographer directs the angle, and there would probably be the opportunity for a second take — not to mention the in-studio snacks and option for lunch when the shoot wraps. But what does a not-so-picture-perfect knife-attack scenario look like? Combat Focus Shooting expert Rob Pincus talks about that in his latest video, shot exclusively for BlackBeltMag.com: