The term pearl necklace is used by some because the drops of semen deposited by the man resemble a necklace of translucent white pearls. Cum shots typically do not appear in girl-girl scenes and orgasm is normally implied by utterances, cinematic conventions, or body movement. Since mammary intercourse is a non-penetrative sex act, the risk of passing a sexually transmitted infection that requires direct contact between the mucous membranes and pre-ejaculate or semen is greatly reduced. Concerted deployed sexual rejection exercised on the partner can be an aspect of Dominance and Submission as well. Both sexes sometimes apply lubricating substances to intensify sensation. Bestiality is illegal in many countries. Group sex most commonly takes place in a private sex party or semi-public swinger gathering, but may also take place at massage parlors or brothels or, in some jurisdictions, at purpose-built locations such as sex clubs. Spanking can be administered in a number horny milfs of spanking positions. However, bisexual pornography is often placed near the gay section in adult video stores, since many consumers are gay men. Clothed female, naked male pornography features naked men and clothed women; typically, the women humiliate and abuse the men or perform fellatio and/or handjobs on the men. Examples of mentally oriented practices are education games, during which the dominant requires certain forms of behavior from the submissive. Additionally, the buttocks give an indication of the shape and size of the pelvis, which impacts reproductive capability. In the fetish cuckolding hentai sex subculture, it is most common for the female hot gay sex to take on the sexually dominant role and the male the submissive role, however, female subs, sometimes referred to as cuckqueans, also exist. A celebrity can fight the release in court to maintain deniability while still enjoying the career benefits. The activity is done by itself or as a part of or prelude to other activities which many times involve sex.