Perhaps more than any other adult brand in Japan, Tenga has transformed the reputation of masturbation among men (and recently, also women). And so it seems wholly apt that Tenga would want to celebrate a big legal change in Japan: the lowering of the age of formal adulthood from 20 to 18. And thankfully, it's done this is in a very rewarding way by making a special commemorative version of its Premium Tenga Original Vacuum Cup. The Premium Tenga Coming of 18 Cup has a strikingly green and blue color scheme and a slightly lower price, making it a great first choice of masturbation aid for anyone aged 18 (or, let's be frank, anyone of any age who has a penis!). The inner hole is packed with an almost futuristic-seeming array of stimulating elements, from pointy protrusions to rubs and large bumps. Like all cups in the series, you can easily control the vacuum sensation by covering the hole at one end with your finger.
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