Cock ring, base boost and ball stretcher all in one! An ingenious triple cock ring that wraps around your length, balls and base for maximum support and hardness; and a sling ring that is a ball stretcher and cock ring all in one. And both in super flex Thermoplastic Rubber TPR, soft to the skin and ultra body safe. Cock Ring. Ball Ring. Base Boost. Supple, stretchable, body safe TPR.