Sensei Sybil Starr is here to teach you self defense techniques! And the most effective self-defense? A kick in the balls!or Maybe a stomp, a grind, a stand. . . but Sybil will teach you multiple ways to take out a male attacker. The male in the video gets more than he bargained for. Sybil wear a dress, hose, high heels, and a jacket for this video.