The bamboo instrument (part a) is a plucked idiophone known as mukkuri in Ainu. It is made of a flat long wooden stick which extends into a wider rectangular shape at one end. Within the first piece there are two slits which go along the stick in a prong-like shape; a red string loop is attached. The second piece (part b) is a paper document with orange designs and black and white writing characters with a picture of the object in the bottom middle.