It used to be an essential piece of record-playing equipment – the funky little triskelion used for sizing a single to the turntable, back when whatever tunes you were listening to were accompanied by the soft scratch of the needle in the groove. It’s now a symbol of vinyl pride, perhaps not as obsolete as they seemed when CD’s first hit the scene. PNUT Jewelry goes a step further, turning them into sterling silver bits of men’s fashion, ready to slip a little personality into a dress shirt.