Expert ditty work this one, made by fishermen in off-season. This item is not a weapon. Other than the shackle, the key chain is made up entirely of nylon material. This public service announcement is required by the Amazon legal department. Monkey Fist Key Chain Very popular key chain Perfect for those boat keys Measures 4.5 in. L A unique gift idea Click on pictures for larger view A monkey’s fist or monkey paw is a type of knot made of nylon, so named because it looks somewhat like a small bunched fist/paw. Color: Off White.