The netsuke is a toggle. Japanese men used netsuke to suspend various pouches and containers from their sashes by a silk cord. Netsuke had to be small and not too heavy, yet bulky enough to do the job. They needed to be compact with no sharp protruding edges, yet also strong and hardwearing. Above all they had to have the means of attaching the cord. In this example, there are a pair of holes (himotoshi) on the bottom of the sandal. Although netsuke were made in a variety of forms, the most widely appreciated is the katabori (shape carving). This is a three-dimensional carving, such as this netsuke.

The most widely used materials for making netsuke were traditionally wood or ivory. Since trees grow abundantly throughout Japan, wood is readily available and many varieties are comparatively cheap. There is also a long tradition of expertise in woodcarving in Japan. Furthermore the main inspiration for netsuke subjects was the natural world, most commonly animals, birds and plants such as this netsuke of a cat and mouse.