This bold yet feminine NWOT chainmail submissive collar/necklace is made by hand using high quality bright silver and red anodized aluminum rings with a shining polished nickel heart shaped padlock closure at the front. Perfect for the Harley Quinn enthusiast! The lock measures 30 mm across and comes with one key. You use key to put necklace on and take it off. Because it is made with aluminum, the chain is incredibly lightweight & comfortable, perfect for every day wear! 16" Custom made necklace Harley Quinn inspired Padlock necklace HARLEY QUINN Novelty Harley/Joker padlock necklace BDSM jewelry Submissive padlock collar Padlock necklace Harley Quinn/Joker necklace