3 classes in Krav Maga at IKM New York, 250 West 100th Street, for one adult or youth. From Wikipedia: "Krav Maga is a self-defense system developed for the military in Israel that consists of a wide combination of techniques sourced from boxing, savate, Muay Thai, Wing Chun, Judo, jiu-jitsu, wrestling and grappling, along with realistic fight training."www.ikmkravmaga.usExpires 9/29/14