Kunai

A kunai is an ancient Japanese kind of gardening tool or trowel. Two variations are the short kunai (小苦無 shō-kunai) and the big kunai (大苦無 dai-kunai). It is a good example of a very basic tool which, in the hands of a martial arts expert, could be used as a multi-functional weapon. The kunai conventionally ranged from 20 cm to 60 cm in length, with the average at 40 cm. The kunai was used by common folk as multi-purpose gardening tools and by workers of stone and masonry. The kunai is not a...