By pretending to break his opponent's grip, Koga exploits the reaction he gets and throws with Tomoe nage
See Koga's unusual variation on Yoko tomoe nage, where he grips the outside of his opponent's shoulder
Koga shows a standard demonstration of Ura nage. See Koga's version of the technique next
Koga's Ura nage is used as a counter attack when his opponent attacks with drop Seoi nage