In this video, Akisuna Saito, 7th dan kyoshi, explains the 10 kendo kata that show us the origin, theory, and meaning of the sword technique "kengi". Seven of them are done katana against katana, and the other three with katana against wakizashi, or short sword. From the hand of a great Japanese expert, a detailed work that will undoubtedly help us to advance in the practice of Kendo.