The pendant is made from 9-speed SRAM bike chain with a clear glass marble center. The clear marble reflects the surrounding colors. The pendant is 1-1/4" in diameter and hung on an 18" black waxed cotton cord with a lobster clasp.
The tricky part was lining up the outer links and getting the ring in while the chain circled the marble.
Become a spectacle with a necklace of a pair of glasses around your neck.