S20. Leg grabbing, grabbing the trousers, blocking or pushing the opponent’s leg(s) with their hands or arms. by Mitchell Palacio | Feb 27, 2022 USJF Referee Education for Judoka and Coaches Penalties and Their Gestures S20. Leg grabbing, grabbing the trousers, blocking or pushing the opponent’s leg(s) with their hands or arms. Previous Topic Back to Lesson Next Topic