CBT chastity belts for confinement of the penis, when the belt is locked the person wearing the belt will suffer from pain resulting from the penis wanting to grow but having no place. The belts usually come as a head that closes on the penis that connects to rings to testicles in various sizes. To put on the ring you must thread the testicles through the ring, one at ta time, and then put the cage on your penis, you may have to wet or lubricate the belt so that the penis enters it (the belts are small for your pleasure, pay attention to dimensions! This is a sterile product and will not allow product return or replacement of it). The differences between the materials from which the rings are made - metal belts will be heavier than plastic belts and will therefore be less comfortable. Plastic belts are recommended to be taken off at least once a day for washing, with metal belts you can shower and they are more suitable for long-term wear, but a metal belt is not necessarily better than a plastic belt and vice versa, everyone will have a different preference for the belt. Suitable for fulfilling your fantasy.