It's a choker with an Ainu carving. The shape is a nail shape with a bead in the middle. The cord is made of synthetic leather, and the length of the cord itself is 54.5 cm, and the length of the chain for adjusting the size is 5 cm in addition to the length of the cord itself. There are 2 round balls on each side of the string, and the beads move on the string. (not fixed) It has a natural stone "Ao Menou" and a piece of explanation paper on the top of the string. As an explanation, it says "the stone to pray for passing the examination".