This beautiful classic jeweled steel collar will make you look like a BDSM star. Simply attach it by unscrewing the O-Ring screw counterclockwise, once around your neck lock it by turning the O-Ring screw clockwise. The large O-ring is finished with a beautiful jewel, use the O-ring to attach anything you want. This item can be used as a kinky toy or as a jewel to complete your sexy outfit. This is a medium steel collar with an inner diameter of 11.5 cm. Made of Kiotos stainless steel, clean with Kiotos Toy Cleaner after each use for extra hygiene.