I don't have specialized knowledge, so I don't know the details! I believe it's a shamisen tuning peg. I think it's a natural material, but I don't know the details. Please check the photos for details and condition. Search terms: Shamisen tuning peg, folk craft, Japanese accessories, Japanese musical instrument [Management Number] 7425A ✳︎We try to ship as quickly as possible✳︎ * We will pack as compactly as possible to consider shipping costs. ◡̈ We offer discounts for multiple purchases ◡̈ Feel free to negotiate via questions. ↓ Inventory information is here ↓ → List → #junkbush在庫 Miscellaneous goods and toys → #junkbush雑貨 Thank you for reading this far! Sorry for the trouble... Please comment before purchasing. ◡̈ [Product Condition] Please judge from the photos. Notes: No claims, no returns, no cancellations. [Condition Rank] <B> ~ About the rank ~ [S] New [A] Unused, pre-owned [B] General pre-owned [C] Damaged pre-owned [Junk] Junk items are those that are unusable. * The condition rank is our personal assessment. Thank you for your understanding. We check the condition of used clothing and other pre-owned items, but there may be oversights or damage that we don't notice. Please purchase if you understand that it is pre-owned USED. Please refrain from purchasing if you are sensitive to such things. Please understand. [Other] Please ask if you have any questions.