Jerking off a lot can lead to issues when you have vaginal sex: delayed ejaculation. Your penis is so used to the feel of your hands, which know the right pressure, grip, and places to rub you off quickly and effectively that it struggles to reach climax when penetrating a vagina. This is a surprisingly common problem and can impact intimacy with a partner. Fortunately, the leading Japanese adult brand Tenga has come up a solution: a course of masturbation cups that get you used to the feel of a vagina. The Tenga Men's Training Cup Finish Training Lv.3 is the third cup in the series and is recommended for use after trying the first or second entries. It features spiraling swirls all long the hole until the final chamber, which is lined with large protrusions to tickle your glans.
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