The Aikido technique Ushiro Tekubi Tori Kotegaeshi allows the martial artist to defend against an enemy attacking from behind. Learn this important Aikido technique in this free video. Expert: Gary Boaz Bio: Gary Boaz has been training in Aikido for 17 years, he is a 4th degree black belt under Fred Mastision Sensei of Aikido of Phoenix. Gary teaches Aikido, Kyusho-Jitsu, Brazilian Jiu-Jitsu. Filmmaker: Dustin Daniels