This product is an adult toy, and it is prohibited for minors to use it. Please pay attention to the principles of safety, sobriety and non-compulsion. In order to protect your delicate skin, it is recommended to apply baby skin care oil, lubricant or similar products before use for lubrication. If discomfort occurs during use, please stop using it immediately. With the device, it will be locked until you decide to release them. The sturdy cage is ergonomically designed, adjustable and lockable. Hypoallergenic cage is sturdy, 3 sizes are available according to the inner diameter of the clamping ring and are suitable for most people. Material Real stainless steel. No chrome plating, no nickel plating. Simply sanded, more comfortable and completely safe. can be selected according to the inner diameter of the clamping ring This denial of access means that the wearer must please the key holder to get the happiness he desires. Due to manual measurement, please allow an error of 1-3cm. Please make sure you don't mind before bidding. To avoid injury or exacerbate existing conditions, this product should not be used on areas that are bruised, swollen or inflamed, including skin lacerations. If irritation or discomfort occurs, stop using it immediately. Cleaning: Clean with a mild soap and a soft brush (toothbrush).