anbo-jitsu (or anbo-jyutsu) is a fictitious japanese sport shown in "". in it, two armored opponents facing each other wear a solid visor, rendering them blind, and fight with a large staff. one end of the staff contains a proximity sensor, alerting each contender to their opponent's location with an audio signal. the other end of the staff is rounded and padded and used for direct blows. the staff itself can be used for sweeping attacks. the opponents dress in armor and helmets to protect them from injury. ceremonial japanese chants are used to greet the opponent, initiate combat and yield if necessary. it is called "the ultimate evolution in the martial arts" in the context of the show.