Hiroi Michiaki: This is a tanuki.
Mrs. Hiroi: Yeah.
Hiroi: How much should I… he’s hard to explain, huh. Hahahaha. In old [stories, the tanuki’s testicles] were really big. Hahaha. [The top] becomes a balancing toy (yajirobee). This is pretty funny.
For Japanese, see this page.
For video, see this page.