1. Cut a piece of beading wire. String a shell bead and a bicone crystal, repeating until the strand is within 2 in. (5 cm) of the finished length. 2. On each end, string: spacer, bicone, spacer, bicone, crimp bead, half of a toggle clasp. Check the fit and add or remove beads if necessary. Go back through the beads just strung and tighten the wire. Crimp the crimp bead and trim the excess wire. 3. On each end, use chainnose or crimping pliers to close a crimp cover over each crimp.