The Lena Door Knocker Ring features a unique and elegant design! A statement piece that can be dressed up or down, matching the popular Isabella Door Knocker Earrings. The Door Knocker series features unique and pure design details. The series is influenced by travels through some of Europe's greatest cities and their rich history. The doors in these cities have distinct elaborate door knockers that fuse function and design and are in their own way, beautiful works of art.