The Clipped Link Chain was designed by Rob at Justin's Toys and is basically a bunch of tiny bracelets linked together to create a chain.

This bracelet could be extended to create a necklace. The alpha loom lets you create 7 links at a time which greatly reduces the amount of time it takes to complete the links.

Each of the links are 10 bands each and the average wrist will take about 10 links for a total of 100 alpha bands.