Foul Illustrations
Face attack using a hand technique
Attacking the neck using a hand technique or head thrust
Attack to the groin
Intentionally attacking the opponent's back
Attacking a downed opponent
Attacks to the face with the head
Grabbing (includes grabbing attacks).
However, momentary pushing from leg techniques is permissible (example: knee kick)
Attacking with legs while grabbing and holding (for more than a moment)