Earclip refers to a tension mechanism which holds an ear ornament in place. Earclips are usually designed for women who do not have their ear lobes pierced, but they can be combined with a post to add extra support and comfort for pierced earrings as well. Earclips came into use c.1931.
French Ruby and Diamond Earclips.
Tiffany & Co. Invisible-Set Diamond Earclips.