Fifty Shades of Grey Weekend Collection Sweet Torture Vibrating Nipple Stimulators Gray. Gentle sensation becomes body trembling titillation with Sweet Torture, a set of bullet-powered vibrating nipple teasers. Velvet soft silicone features a slide to fit toggle that holds without pinching, so you feel nothing but stunning stimulation. Features of Fifty Shades of Grey silicone vibrating nipple teasers. Channel sweet sensations to your nipples. Slide to fit toggle fits snugly without pinching. Holds in place independently for hands free stimulation. Single speed bullet can be removed. 100% waterproof vibrations.