I coiled the copper wire in an attempt at making ends for a leather cord but the coil was too large–I re-used the wire by stretching out the coils and designed these earrings.

I used 5/8″ bolts from the hardware store and antique silver rings with three strands of 2mm black leather cord braided together.  Closure is with wraps of silver plated copper wire and a silver swivel lobster clasp–length is 7 1/2″