The Slinger Ring by Sport Fucker is both a ball stretcher and a cockring. It has a large footprint without a lot of mass. That means more stretch and flexibility for the well endowed male.
The Ball Sack
Sport Fucker Lubricant Silicone
Sport Fucker Lubricant CUM
Neoprene Ball Stretchers
Sport Fucker Ergo Ball Stretcher Kit
Trainer Ring By Sport Fucker