Shower rings are multitasking pros. Use them to corral your belts together, either all on one ring or displayed side-by-side. No more frantic "where is my pink skinny belt that goes perfect with this outfit" moments in the morning. Get the tutorial here. - Redbook.com
Belt and Other Hang-Ups - All you need is a wooden hanger and some cup hooks. If some of your belts have unusually thick buckles, just widen the cup hook slightly with a needle-nose pliers. This is a great way to hang small handbags too.
Portable Hooks To create a belt rack that matches your other hangers (and doesn't require making holds in the wall), try this: Predrill a row of holes in alternating spots on both sides of a wooden clamp hanger, and screw in cup hooks. Make as many of these hangers as you need to accommodate your belts. Read more at Marthastewart.com: Easy Organizing Tips – Martha Stewart