Spoilers below. Facts checked 2026-11-12. Play this puzzle

Netsuke. Netsuke, 18th century, Japan. Kimonos had no pockets; a netsuke toggle held cords of hanging containers (like inrō) secure at the sash (obi).
Image: CC0 1.0 (The Met Open Access; API isPublicDomain: true)
Source: The Met: Netsuke (59356) · Wikipedia: Netsuke
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