It has also been recommended as a form of foreplay or safer sex. Many fantasies include the macrophile shrinking before a normal sized woman or keeping his or her normal height while the partner grows in size. Bondage pornography specializes in the depiction of sexual bondage or BDSM activities as photographs, stories, milf fuck movies, or drawings. Pornography is often distinguished from erotica, which consists of the portrayal of sexuality with high-art aspirations, focusing also on feelings and emotions, while pornography involves the depiction of acts in a sensational manner, with the entire focus on the physical act, so as to arouse quick intense reactions. The reverse of this, in which nude women interact with clothed men, is called Clothed male, naked female . It contains graphic sexual activity and visible penetration. The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. Some may keep their hand stationary while pumping into it with pelvic thrusts in order to simulate the motions hentai porn of sexual intercourse. Some straight actors have started acting in gay porn only to be accused of being gay while others first step was to strictly do solo scenes. This stop and go build-up, known as edging, can achieve gaysex even stronger orgasms. Mutual masturbation, mutual manual stimulation of the genitals between partners, can be a substitute for sexual penetration. They further argue that setting a discrete line between safe and not-safe activities ideologically denies consenting adults the right to evaluate risks vs rewards for themselves; that some adults will be drawn to certain activities regardless of the risk; and that BDSM play—particularly higher-risk play or edgeplay—should be treated with the same regard as extreme sports, with both respect and the demand that practitioners educate themselves and practice the higher-risk activities to decrease risk. Stimulating the prostate from outside, via pressure on the perineum, can be pleasurable as well.