Asashoryu used this technique to win over Harumafuji in the last honbasho. What is it?

Asashoryu used this technique to defeat the ozeki Harumafuji in the July Nagoya honbasho. A real beautiful maneuver performed by Asashoryu that caught Harumafuji by surprise and defeating him in a grand fashion. What is it called? This is a sort of a thigh throw.