5 SIMPLE TECHNIQUES FOR KATANA SWORDS

A blade shorter than 1 shaku is considered a tantō (knife). A blade for a longer time than 1 shaku but less than two is considered a shōtō (brief sword). The wakizashi and kodachi are in this category. The duration is calculated in the straight line through the again from the blade from suggestion to munemachi (where blade satisfies tang). Thro