What is a kunai?

A kunai is a traditional Japanese tool that was originally used for farming, gardening, and excavation. It is a type of small, handheld digging tool that can also be used as a weapon. Kunai knives are typically made of iron or steel and have a flat blade with a pointed tip. They have a curved handle that allows for a secure grip and can also be used for throwing. In popular culture, kunai knives are often associated with ninjas and are depicted as a versatile and deadly weapon.