To make I simply sewed alternating ribbon and necklace. Pearl beads bought on ebay and ribbon from local market for next to nothing.
Make Your Own Funky CD Jewelry
There is something to be said for a little Specs Appeal around the office.
you can make a plain chain looks nice with just a ribbon
Necklace with transparent pvc tube.
P.S. I made this... macrame necklace.
Oooh! Strands of chains and beads