This simple gag is very effective to keeping your partner's mouth nice and open. With that type of access feel free to use their open mouth for all of your devious desires. Slide in the comfort cradles and let the gag push the cheeks far to the side. This prevents your partner from closing their mouth, giving you instant access.
Measurements: 4.5 inches outer width, 3.35 inside width, 3.5 inches in length