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. 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 . 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. Bondage/BDSM Bondage pornography features performers hentai sex tied up or constrained in various ways. Lucky Pierre is slang for a person performing both receptive and insertive anal and/or vaginal sex simultaneously during a threesome, being positioned between the two partners. Celebrity sex tapes are amateur or professionally-made recordings of sex acts, as performed by a celebrity and their partner. Incest itself is largely taboo, and is a crime in many countries. It has also been recommended as a form of foreplay or safer sex. Transsexual porn star Wendy Williams has stated that transsexual Porn is classified as Straight Specialty. Mutual masturbation can be practiced by males or females in pairs or groups with or without actually touching another person as indicated by the following examples of contact versus non-contact scenarios: Non-contact mutual masturbation Two people masturbating in the presence gay twink porn of each other but not touching. Bisexual pornography is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. It is suggested that much of the obscurity and the uncertainties about female ejaculation are related to momporn mixing up these two phenomena. It concludes these findings suggest that an explanation for fat admiration may be that FAs are rejecting sociocultural norms of attractiveness.