Ichimai Kourai Gumi, Kourai translates to Korea and Ichimai to One layer. The name translates into One Layer Korean Braid. As the descriptive name is 2-2 Twill, the braid is created with the working bundle moving two over, two under, two over, etc. This basic structure is often one of the first braids students learn. This specific twill structure can be executed on one set or two sets of arms.