Question: Who practice Japanese martial arts?
Sentence (from "Shurikenjutsu"): Shurikenjutsu (手裏剣術 ) is a general term describing the traditional Japanese martial arts of throwing "shuriken", which are small, hand-held weapons used primarily by the Samurai in feudal Japan, such as metal spikes "bō shuriken", circular plates of metal known as "hira shuriken", and knives ("tantō").
Relevant evidence: Yes