Adam Male Toys The Tug CyberSkin Stroker from Topco is a super soft, translucent CyberSkin stroker that tugs on your sac with every stroke. The Thick CyberSkin ring wraps around the scrotum for a unique tugging sensation that is sure to please. The Tug features a slim design with an extra thick, ribbed inner tunnel while external ridges provide a no slip grip. Waterproof and Phthalate free. Height 5.6 inches, width 2.43 inches, depth 1.38 inches.