Insertion in pornography features women inserting various odd objects into their anus or vaginas. Many men who like trans partners of any variety, known as tranny chasers, do not necessarily identify as gay themselves. Clothed female, naked male is a genre of erotica featuring one or more nude men and one or more clothed women. While bondage is a very popular variation within the larger field of BDSM, it is nevertheless sometimes differentiated from the rest of this field. After the prerequisite level of sexual stimulation has been achieved, and ejaculation becomes imminent, the male will position his penis so that the semen discharged will be deposited onto his partner face. Such explicit sexual interaction is seen only rarely in public play spaces, and it is sometimes specifically banned by the rules of a party or playspace. It may also involve touching, rubbing, or pinching the nipples or other erogenous zones while masturbating. BDSM actions can often take place during a specific period of time agreed to by both parties, referred to as play, a scene or a session. English adopts and uses hentai as a genre of pornography by the commercial sale and marketing of explicit works under this label. Actual upskirt or downblouse gay cock shots may violate privacy laws in hentai videos some countries. These scenes may either have the cameraman big tit milf directly engaging in sex or merely filming others having sex. The original definition of dogging – and which is still a closely related activity – is spying on couples having sex in a car or other public place. Heterosexual bareback sex, as opposed to sex with condoms, not only poses an increased risk of STIs, but for pregnancy as well. Especially popular in post-World War 2 Japanese culture. Gloryhole pornography features women performing fellatio on unidentified men through a small hole made in a bathroom divider. Guro or Gore is a genre of Japanese pornography involving blood, gore, disfiguration, violence, mutilation, urine, enemas, or feces. The buttocks in human females thus contain more adipose tissue than in males, especially after puberty.