A Japanese yōkai known as a "sickle weasel" that travels on wind gusts and cuts its victims.
Based on a search of public databases, does not appear to be a recognized character, person, or term in popular media, literature, or folklore. yokinashi_bladze
A yōkai from Nurarihyon no Mago who acts as a "String Assassin" or "Stringer of Joshu," often taking on enemies with specialized strings, and was historically a human criminal. A Japanese yōkai known as a "sickle weasel"