Do you want your partner to be gagged, but still have access to their mouth? Does your partner have a tendency to bite during oral sex? If you answered yes to either question then you need to make sure you have this O Ring gag. It provides the quiet time that you want, but also easy access to their mouth for oral sex. Made of vinyl, ABS plastic and nickel-free hardware. O-Ring Mouth Gag comes with 3 interchangeable O-rings for the perfect fit. Ring is made of unbreakable plastic and the collar is fully adjustable.