They were blatant with their piling on and kneeing me.
In the past, he has violently attacked the victim, including kneeing him in the face, giving a headbutt, and pulling his hair.
Pradal serey is a more condensed fighting system which uses a few of the basic (white krama) punching, elbow, kicking and kneeing techniques and is free of animal styles.
Kneeing is a disallowed practice in many combat sports, especially to the head of a downed opponent.