KWU FULL CONTACT:
Allowed: All boxing hits, spinning back fists are allowed; all kicks; one knee hit to the head after grasping with two hands; clinch, one technique and let go; sweeps; grip and kick without pulling or pushing the opponent.
Prohibited: hit in the groin, nape, and spine; blow with the inside of the glove; hits against the knee joint; blow with the head; a blow to a fallen opponent; strikes from a lying position; elbow strikes; throws; ground and pound; stranglehold; biting.
KWU SENSHI:
Allowed: All boxing techniques incl. spinning back fist and elbow strikes; all kicking techniques; active clinching; grab and attack, sweeps and throws.
Prohibited: hit in the groin, nape, and spine; blow with the inside of the glove; hits against the knee joint; blow with the head; restraining the head with one arm and striking with elbow with the free arm; a blow to a fallen opponent; strikes from a lying position; ground and pound; stranglehold; biting.
KWU OPEN:
Allowed: All boxing hits allowed; spinning back fist; all kicks; clinch up to 10 seconds; sweeps; grip and kick; throws; groundwork twice for 30 seconds per round; stranglehold on the ground; submissions on the ground (legs only on the Achilles, without twisting the ankle and knee joint); hit with hands and knees only in the body on the ground.
Prohibited: hit in the groin, nape, and spine; blow with the inside of the glove; hits against the knee joint; blow with the head; elbow strikes; striking a fallen opponent from a stand; attack with elbows and knees in the head on the ground; biting; tosses with head fall and on the entire spine with fall on the opponent.