A sucker punch is a common attack that can come from different angles, and defending against such an attack involves a counterattack. Come behind an opponent, lift the knee, and bring them down with help from amartial arts instructor in this free video on self-defense. Expert: Aaron Fruitstone Contact: www.chimartialarts.net Bio: Aaron Fruitstone is a martial arts instructor, 7th DAN, with a black belt in tae kwon do. Filmmaker: Paul Muller