Industrial edge meets refined detail. The Biker Chain in Polished Sterling Silver is punctuated with 14k yellow gold loops for an unexpected touch of warmth. At 17", this necklace sits just at the collarbone—perfect for layering or wearing on its own as a standout piece. The high-polish finish brings a clean, modern shine to this bold, mixed-metal classic. Marla Aaron Chains Are Meant To Be Worn With Lock Charms. Click To Explore Locks.