Real jail or prison or police station shots or videos may violate laws in some countries. The term soft crush refers to the more common fetish surrounding videos involving inanimate objects or small invertebrates being crushed, while the term hard crush refers to such videos involving larger animals with vertabrae, and arguably more pain-susceptible animals . Men and women may masturbate until they are close to orgasm, stop for a while to reduce excitement, and then resume masturbating. A pearl necklace is a slang term referring to a sexual act in which a man ejaculates semen on or near the neck, chest, or breast of another person. Bisexual pornography is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. Now facial cumshots are regularly portrayed in pornographic films, videos, magazines and internet web sites. Most soft crush fetishists avoid being placed under the same label as hard crush fetishists, believing that crush films with larger animals give the entire group a bad label. Arousal may be triggered by seeing the body movements or facial expressions lesbian hentai of that person. Especially popular in post-World War 2 Japanese culture. A crush fetish is a fetish in which one is sexually aroused usually when someone crushes objects, food, and sometimes small animals with their body, usually under their foot, or when crushed oneself. Bukkake, Gokkun, Omorashi, and tentacle erotica are few uniquely Japanese genres known to western viewers. English adopts and uses hentai as a genre of pornography by the commercial mature milfs sale gay boy porn and marketing of explicit works under this label. This technique may include the use of a simulacrum, or artificial vagina. Some do not use the diapers gaysex at all, for arousal, or bladder and bowel movements. Ethnic pornography is a genre of pornography that features performers of specific ethnic groups, or naked celebrities depictions of interracial sexual activity. Many men who like trans partners of any variety, known as tranny chasers, do not necessarily identify as gay themselves.