A figurine of Ito Ittosai as he appears in the manga "Vagabond" 人は眠っている時でも足がかゆいのに間違って頭をかくことはありません。人は意識下に己を防衛しようとする本能が動いております。その原理を生かせばよいのです。 伊藤一刀斎 (People do not accidentally scratch their heads when their feet are itchy, even when they are sleeping. People have an unconscious instinct to defend themselves. You have to make use of that principle.) This is one of the famous observations of Ito Ittosai, founder of the Itto Ryu (One Sword School). It might not sound like much, but there's a lot to think about there. https://www.youtube.com/playlist?list=PLJor9pGc9SS6IRT9zk2dw25qrYULXh0Qq I've made a brief playlist of the main Itto Ryu lineages. There are some others I haven't listed that are more recent (i.e. less than 200 years old) but these are the main ones. Of these, the Ono-ha, Hokushin, Mizoguchi-ha and Nakanishi-ha are the most widely practised. Kogen Itto Ryu is less common. Most have hereditary headmasters, usually called soke . The Mizoguchi-ha is...
