Men with ear jewelry are a thing. Just ask Lil Nas X, Harry Styles and any K-pop star. It glistens, it sways, it frames your face. It’s the dangly earring, and it’s hanging from men’s lobes everywhere. Lil Nas X, the rapper cowboy, often pairs his fringed western jackets with a gold cross swinging from his left ear. Odell Beckham Jr., the heavily tattooed N.F.L. wide receiver, prefers wearing a gold cross on his right ear, whether he’s in his Cleveland Browns uniform or a Thom Browne tuxedo…