Gibson Stop Bar Gold With Studs And InsertsA historically revered piece of hardware, the Gibson Stop Bar Tailpiece increases sustain and intonation in Gibson instruments for expressive tones and voices. Gibson Guitars is a household name because of its dedication to quality craftmanship. This dedication applies not only to the guitars, but to the whole line of parts that go into making them. Gibson Guitar parts are iconic and well known to be at the top of their class.