Now that you use your iPod or other portable audio players, what do you do with your old CDs? You can still use your old CDs by making them into a Recycled CD Necklace. This recycled CD craft is super quick and simple, and all you need is your old CDs, glue, and a base. Use CDs that have a different base color to create more interesting and colorful patterns. You can also use this technique on other accessories like earrings, bracelets, and bags.