Founded by Kenji Tomiki, and early student of O Sensei and of Judo founder Jigoro Kano. Tomiki Sensei believed that a "rationalization" of Aikido training, along the lines that Kano Sensei followed for Judo would make it more easily taught, particularly at the Japanese Universities. In addition, he believed that introducing an element of competition would serve to sharpen and focus the practice since it was no longer tested in real combat. Tomiki-ryu is characterized by using Kata (prearranged forms) in teaching and by holding competitions, both empty handed and with a rubber knife.
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