It may also involve touching, rubbing, or pinching the nipples or other erogenous zones while masturbating.
This technique may include the use of a simulacrum, or artificial vagina.
Reading or viewing pornography, sexual fantasies, or other erotic stimuli may lead to a desire for sexual release such as by masturbation.
Some people get sexual pleasure by inserting objects, such as urethral sounds, into the urethra (the tube through which urine and, in men, semen, flows), Some people masturbate by using machines that simulate intercourse.
For circumcised males, on whom the glans is mostly or completely uncovered, this technique creates more direct contact between the hand and the glans.
To avoid friction, irritation and soreness from this resulting friction, some may prefer to use a personal lubricant, masturbation cream or saliva.