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They Can Turn the Usually Staid Cervix into an S&M Toy
You're familiar with your cervix—the opening to the uterus at the far end of the vagina—but you probably haven't thought of it as a sexual organ. Some women love the feeling of rhythmic pressure on their cervix (Meston has heard it described as an exciting intersection of pain and pleasure) and may depend upon that sensation to reach orgasm. But even if a woman has the flexibility of a champion pole dancer, she can't do much to shorten the distance to her cervix—and that's when a longer, um, instrument can come in handy.