The art of handling a katana was developed in martial arts like "kenjutsu" and "iaijutsu". Today, this art is practiced in "iaido" and "kendo" martial arts. The last one is the art of dueling with bamboo or wooden sword. Old schools of handling katana swords still exist. The most famous are: "Kashima Shin-ryu, Kashima Shinto-ryu, Tenshin Shoden Katori Shinto-ryu". 