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's 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: 5.6â   (14.22 cm); width: 2.43â   (6.17 cm); depth: 1.38â   (3.51 cm).