Jewelry; Body jewelry; Ear studs; Earrings; Cufflinks; Jewelry backing mechanisms for adapting pierced earrings to earrings with integrated hinged backing mechanisms, namely, jewelry backs for adapting pierced earrings to clip-on earrings; Jewelry backing mechanisms for adapting pierced ear studs to ear studs with integrated hinged backing mechanisms, namely, jewelry backs for adapting pierced ear studs to clip-on ear studs; Mechanical hinged backing mechanisms for jewelry, namely, clip-on ba...

Jewelry; Body jewelry; Ear studs; Earrings; Cufflinks; Jewelry backing mechanisms for adapting pierced earrings to earrings with integrated hinged backing mechanisms; Jewelry backing mechanisms for adapting pierced ear studs to ear studs with integrated hinged backing mechanisms; Mechanical hinged backing mechanisms for jewelry; Jewelry for attachment to clothing; Jewelry for the head