Musoshindenkoryu Iaido - Agassiz Dojo - Fargo North Dakota - Moorhead Minnesota - Japanese Sword Mar, Musoshindenkoryu Iaido dojo - a Japanese sword martial art. Located in the Lake Agassiz region comprising the Red River Valley. Serving the Fargo, North Dakota and Moorhead, Minnesota area, we practice seitei iaido, traditional koryu, jodo, and tachi uchi no kurai kata.