Silicone Open Mouth Lip Gag Head HarnessA great introduction to gag play, this flexible O ring head harness gag keeps the sub's lips parted for all sorts of erotic play. Silicone and squishy for utmost comfort and adjustable for the perfect fit, this gag lets you give lip service like never before. Adjustable straps connect over the top and around the back of your subs head, secured by a buckle strap.