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. Get ready for some new sensations with this ball sack. This item is extremely flexible, providing you with tons of possibilities. It will also help prevent premature ejaculation. Ouch! Glow-In-The-Dark products must be activated with the sunlight before enjoying it in the dark.