Ouch! Glow in the Dark, the future of bondage is here. Designed with an authentic bondage aesthetic, but with the added delight of the glow-in-the-dark properties, the fluorescent green detailing will turn every event into a party. With Ouch! Glow in the Dark, the fun is just beginning when the lights go out. You love a naughty game? Keep your lover quiet with this ball gag. One size fits all. Use this toy on its own, or in combination with other products from the Glow in the Dark collection. Ouch! Glow-In-The-Dark products must be activated with the sunlight before enjoying it in the dark.