ok well shuriken is another type of ninja tool that all ninjas should have with them, it is small and can be hidden easily they are sharpened, four-pronged metal stars, useful for throwing although some of them are small, they can be used to distract, pin down enemy shinobi, or if accurate enough, can be deadly they have an open circle in the centre, used for grabbing with a finger, to avoid cutting oneself, or to put thread through the circle is also beneficial to the weapons overall aerodynamics, ensuring more accurate trajectories, they are lso different types of shuriken, big in size like an arms lenght to the small ones that you can hold in the palm of your hand