Fetish Fantasy Limited Edition O Ring Gag Black Enter a new world of submission with this naughty O Ring Gag. This beginners-friendly gag features a small metal O Ring connected to two sturdy PVC straps. The straps adjust to fit most sizes, pulling the ring tight and keeping the mouth open wide. You are in control of when and how often your lover speaks and what you do now is up to you! O Ring Gag Diameter 1.9 inches. Materials: vinyl, metal. One size fits most.