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 comforable stretch, and the right slippery grip for more play.

Core ballstretcher has more squeeze inside
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

Measurements:
Length: 2" (5 cm)
Width: 2" (5 cm)
Outer Circumference: 7" (18 cm)