Core ballstretcher best feature is the outer ribs for super long springy-stretch it stays taller on your sack with more padded grip in the middle for a fatty bag-squeeze.
Core fits your nuts with a smooth hourglass inner sleeve on your nutbag... this slick tunnel wraps your sack with a medium firm squeese while the outer ribs keep your stretched down for real low-hangers.
Made with extra-soft plus-silicone blend, it'll keep the grip enough with a smooth velvety rubbery comfortable stretch, and the right slippery grip for more play.
Core ballstretcher has more squeeze insid Core has springy ridges outside for more push-down Hourglass inner shape grips more when you need Thicker rubber rim will not dig into sack