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 part. With Ouch! Glow in the Dark, the fun is just beginning when the lights go out. The Ouch! ankle cuffs have been designed with comfort in mind while being tied up in your play! The cuffs are adjustable for a perfect fit and contain an attached ring for easy hook-ups. Ouch!Glow-In-The-Darkproducts must be activated with the sunlight before enjoying it in the dark.