This curved neck cuff is made of quality patent leather, With real leather lining. A special accessory for Bdsm role-plays or a fetish party. Its curved shape makes it quite unique. We put a screw ring on the front. At the back, it can be adjusted with the traditional buckle. The hem is made of matte leather at the top and bottom. It is custom-made, please provide your exact measurements! Of course, during production, we make sure that this specified size is adjustable.