Musō Jikiden Eishin-ryū is a Japanese sword art school specializing in the iai technique. Often referred to simply as "Eishin-ryū," it claims an unbroken lineage dating back from the sixteenth century
Ōe Masaji demonstrated sword technique. The line of Jinsuke-Eishin,[citation needed] called Tanimura-ha, was created by Gotō Magobei Masasuke[citation needed] (d. 1898) and Ōe Masaji Shikei (1852-1927). It was Ōe Masaji Shikei who began formally referring his iaido branch as the Musō Jikiden Eishin-ryū 無双直伝英信流 during the Taishō era (1912-1926).