One From a Pair of Bracelets with Wide Open Ends

The object is a bracelet with wide open ends. It is made of a grayish-green material, possibly metal. The bracelet is circular and has a rough texture. The two ends are shaped like animal heads, possibly snakes or dragons, with their mouths open. The heads are facing each other, and the bracelet is positioned so that the heads are at the bottom. The background of the image is light grey. The bracelet appears to be old and worn.