The Tenga Men's Training Cup Keep Training Lv.3 is more than just a masturbation cup: it helps train you to slow down and enjoy stimulation on your penis without finishing too soon. If you have a tendency to ejaculate prematurely, either during masturbation or sex with a partner, using this cup that starts narrow and widens as you push deeper in, surrounded by swirling folds all over the wall. This is the regular type (the third cup in the series) after you have worked up from the softer version.
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