Ways of masturbating common to members of both sexes include pressing or rubbing the genital area, either with the fingers or against an object such as a pillow; inserting fingers or an object into the anus (see anal masturbation); and stimulating the penis or vulva with electric vibrators, which may also be inserted into the vagina or anus. Members of both sexes may also enjoy touching, rubbing, or pinching the nipples or other erogenous zones while masturbating. Both sexes sometimes apply lubricating substances to intensify sensation.
Reading or viewing pornography, or sexual fantasy, are often common adjuncts to masturbation. Often people will call upon memories during masturbation. Masturbation activities are often ritualised. Various fetishes and paraphilias can also play a part in the masturbation ritual. Some potentially harmful or fatal activities include autoerotic asphyxiation and self-bondage.
Some people get sexual pleasure by inserting objects into the urethra (the tube through which urine and, in men, semen, flows). If these objects are urethral sounds, the practice is known as "sounding". Other objects such as ball point pens and thermometers are sometimes used, although this practice can lead to injury and/or infection. Some people masturbate by using machines that simulate intercourse.
Men and women may masturbate until they are close to orgasm, stop for a while to reduce excitement, and then resume masturbating. They may repeat this cycle multiple times. Called "edging", this "stop and go" build up can achieve even stronger orgasms. Rarely, people quit stimulation just before orgasm to retain the heightened energy that normally comes down after orgasm due to the release of prolactin hormone. Doing this could lead to temporary discomfort due to pelvic congestion.
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