I have been playing with these and they seem to be alright. Luckily they fit me fine. I have the hinged ring which feels comfortable but you need to use the silicone tube to keep from being pinched at the bottom of the ring. Longest that I have been locked in these is 7 months. Between the urine and cleaning, I have not seen at wear on the metal. >ie plating coming off if there was any. I don't think so but can not be sure. https://ternence.net/collections/chastity-cage-accessory-373 I specifically have this one https://ternence.net/products/terne...le-ergonomic-design-stainless-steel-cock-cage And this one https://ternence.net/products/terne...e-chastity-device-easy-to-wear-male-cock-cage.