撥ばち皮かわ

noun

pick-guard; protective patch

A protective patch, often made of leather or similar material, attached to the body of a shamisen or similar stringed instrument to prevent damage from the plectrum (撥).

• 三味線しゃみせんの撥ばち皮かわがすり減へってきたので、新あたらしいものに張はり替かえた。

  The pick-guard on my shamisen has worn down, so I replaced it with a new one.