The only doctor invented disposable condom fastener & penis ring in the world that really works. 
Super fit condom fastener & penis ring is a round device made of top quality natural rubber with an indented inner wall at the bottom and a thick portion at the top. 
Super fit condom fastener & penis ring prevents condom from slipping when applied on an erect penis & also enhances the penis with a superb erection. 
Super fit condom fastener & penis ring can be used with or without a condom to give you a satisfying sexual experience that will keep you going for more.