Hang this tiny key from a charm cluster or as a simple drop on earring findings. Solder it carefully to rings or cuffs, it’s a lightweight charm. This charm would also look great next to a metal blank with a special date stamped on it. Key and lock charms are typically used to express love so they are often seen with heart charms. Upscale your jewelry line! Read this popular article to learn how: 5 Tips to Add Perceived Value to your Jewelry.