Tameshigiri (試し斬) is a targeted cutting with a sword test. During Tameshigiri a swordsman skill is being tested these days. Different materials are used, mostly rice straw (Wara), the top layer of tatami mats (Goza), bamboo and much more.
Koichi Kashiwaya is a Koichi Tohei’s disciple, 8th Dan in Shinshin Toitsu Aikido and an Okuden in Ki Training. He was appointed as a Chief Instructor for the Ki Society USA by Tohei Sensei himself.