Sumo gyakuwaza ”kainahineri " 相撲逆技 腕捻り

"On the 13th day of the last Sumo tournament the Yokozuna Asashoryu defeated Koto-o-shyu with a technique called Kainahineri　腕捻り.　 This is the Sumo version of Gyaku-waza."
*Kaina is another reading of the character ude, or arm.
*I will try to post a link to a video when I find a suitable one.
*This link has a lot of sumo related information in English http://www.musashigawa.jp/?lang=1