Edited sentence: A well trained Jujutsuan can respond to a delicate situation with a calm and collected mind, much like a New York City transit worker did in January 2008, when 4 thugs armed with knives attempted to mug him.In many Jujutsu schools, defenses to various weapons are taught, including Gun, Knife, and Club, among others, including sword, and chain.These skills allow jujutsuans the advanced ability to defend against a variety of weapons and arm locks