The Flex from Tenga, will take your masturbation moves to a whole new level. You are able to loosen it’s grip or tightening it, as you move it up and down the shaft.
The Flex also has a vacuum sensation for added pressure and stimulation controlled by covering the hole on top.
Easily cleaned for low maintenance care and the elastomer sleeve is easily removed. Just wash and dry it by leaving it in the stand.
The Flex Silky White has gentle spiral ribs, a smoother interior and a softer sleeve. The Flex Rocky Black is for men who want more vigorous stimulation and features a tougher elastomer sleeve and more intricate detail for intensified sensation.