Muso Jikiden Eishin-ryu ( 無双直伝英信流 ), often abbreviated as MJER or simply Eishin-ryu, stands as one of the oldest and most authentic koryu (classical) schools of iaido, the Japanese martial art centered on the swift drawing, cutting, and re-sheathing of the katana. The name itself encapsulates its essence: Muso signifies “peerless” or “without equal,” Jikiden denotes “direct transmission” through an unbroken master-to-student lineage, and Eishin derives from the seventh headmaster’s name (Hidenobu, alternatively pronounced Eishin). With a history spanning over 450 years, this style of swordsmanship represents an unbroken, direct transmission of techniques developed for combat, focus, and self-discipline. As a foundational school, it serves as a cornerstone for modern iaido, training practitioners to respond to surprise attacks with calm precision and to remain “face-to-face” with the reality of mortality. Learn more at https://www.ittendojo.org/articles/mjer . #ittendojo #japan...