The KUDO rules overview Victory or defeat is decided by any direct attack using “punch, kick, elbow, head-butt, throw, etc”. Face protector (Neo headgear KU) must be worn and techniques are to be executed with bare hands and feet. (Fist supporters approved by committee may be used) Also ground techniques such as strangle and joint techniques are allowed to take give up. Grabbing and swinging an opponent and punching, elbowing, head-butting or kicking an opponent with holding “KUDO-GI” are allowed for up to 10 Seconds. But, the allowed techniques are limited when there is a difference of over 20 Physical Index (height in cm + weight in kg) within the competitors. Attack using elbow and head-butt are allowed. Tackle and throwing are allowed. Ground techniques are allowed twice during every 3 minutes of the original match, extension or re-extension for a maximum of 30 seconds each time.