Answer analysis
Using a masturbation cup itself will not cause premature ejaculation, but the wrong way of masturbation will cause premature ejaculation. When masturbating, blindly pursuing a quick peak and using excessive force for stimulation will damage the corpus cavernosum, reduce the tolerance of the corpus cavernosum, and easily develop a habit of rapid ejaculation, causing you to want to ejaculate as soon as you feel it. Mastering reasonable masturbation techniques and using a masturbation cup according to your own situation will not only prevent premature ejaculation, but also prolong the time, increase tolerance, and make the actual combat time more durable.