1. Get yourself some clear nail polish
2. Paint one coat of the clear nail polish all over the inside of your rings
3. Lay to dry overnight on a piece of paper
4. Wake up the next morning and rock out with your new ring...that doesn't leave an icky green mark!
Happy costume jewelry hunting!! Here are some rings that I looooove...
Black Enamel Flower Ring (available here for $5.80)
here for $3.80)
here for $5.80)
here for $4.80)