-Brooches (Earrings, buttons, or even bottle caps work too)
Put a thin line of glue on the pin.
Place on magnet and hold for a few seconds to stabilize. Let dry. I used hot glue because it dries so quickly, but any adhesive should work.
Now add your pretty jewels to your fridge or any metal surface of your choice.
Next time you clean out your jewelry box, rethink before throwing away the treasures that were so stylish sometime back.