More to explore:
Framed radiator grate earring holder. 10 DIY Jewelry Holders | You Put It On
DIY earring holder using radiator cover from Home Depot.
EASY JEWELRY DISPLAY (taped to frame matte, that's it) Frame + decorative radiator cover sheet from Home Depot = earring storage.
Another smart earring storage hack. Earring holder made from a decorative radiator grate, they come in a variety of designs (try Home Depot), cut to fit into your choice of frame, taped to the back of the frame mat, use the prongs on frame to hold in place. Voila! Hang all your dangly earrings.
DIY earring holder using decorative radiator grates from Home Depot