The Lulus Knock, Knock! Gold Mini Door Knocker Earrings are a sleek. modern upgrade to a timeless statement piece! Shiny gold rings are fused together to create chic mini doorknocker-inspired studs. Pair with an updo and a party dress for a perfectly put-together look! Post backs. 1″ long. Man made materials. Imported. Lulus | Knock, Knock! Gold Mini Door Knocker Earrings.