Download these models and start your ninja path to become a Hokage.The Shuriken hole is designed so that you can place a 22mm bearing.kunai in the right hands could become a multifunction weapon, and due to its widespread use as such it is strongly associated in popular culture with ninjutsu and its followers.Contrary to popular belief, which often depicts this weapon as a primary and lethal dart, the shuriken was intended to be used as a mere distraction during fight or flight, similar to the metsubushi.