Tradition: Japanese Mythology
Alternative Names: Sickle Weasel, Kamaitachi
Category: Marten
The Myth
The Kama-itachi, or Sickle Weasel, is a supernatural weasel associated with the mountainous regions of Japan, particularly Yamanashi, Nagano, and Niigata. It rides cold, swirling whirlwinds and moves so quickly that it cannot be seen with the naked eye. Its fur is described as stiff and spiny like a hedgehog’s, it barks like a dog, and its claws are as sharp as razors. The creature appears and disappears with the wind, striking without warning.
Kama-itachi attack people in groups of three. The first knocks its victim to the ground by slicing at their legs, while the second inflicts thousands of tiny cuts using its forelegs and hindlegs. The third then applies a magical salve that heals most of the wounds almost instantly, preventing them from becoming fatal. The creatures are said to cut away entire chunks of flesh without spilling a drop of blood. Because their attacks and healing happen so quickly, victims often experience only a sudden fall, some pain, and a few scratches, with no clear understanding of what happened.
One explanation suggests that the creature’s name arose as a play on words involving kamae tachi, a sword-fighting stance. However, similar legends of invisible beings that ride the wind and injure people are found throughout Japan. The Kama-itachi remains a popular supernatural explanation for sudden, unexplained cuts and injuries.
Sources
“Kama Itachi.” Yokai.com. https://yokai.com/kamaitachi/