Kawazu gake Wikipedia
Kawazu Gake (河津掛) is a leg entanglement throw in Judo that targets an opponent's leg. It is one of the techniques adopted later by the Kodokan into their Shinmeisho No Waza (newly accepted techniques) list. It is categorized as a side sacrifice technique, Yoko-sutemi. It is also one of the four forbidden techniques, Kinshi-Waza.