thumb|upright|Five types of shuriken thumb|upright|Edo period shuriken in [[Odawara Castle Museum, Japan. Note the senbon darts.]]
thumb|upright|Five types of shuriken thumb|upright|Edo period shuriken in [[Odawara Castle Museum, Japan. Note the senbon darts.]]
A is a Japanese concealed weapon used by samurai or ninja or in martial arts as a hidden dagger or metsubushi to distract or misdirect.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).