Examples of mentally oriented practices are education games, during which the dominant requires certain forms of behavior from the submissive. Women oriented pornography is sometimes referred to as sex positive pornography. A sex party is a gathering at which sexual activity takes place. It has also been recommended as a form of foreplay or safer sex. Diaper fetishism is totally independent from pedophilia as the wearer derives pleasure only from the diaper and/or use of it. Both sexes sometimes apply lubricating substances to intensify sensation. For some people, non-penetrative sex is the primary sexual activity gay cock of choice above all others. Some anthropologists and sociobiologists believe that breast fetishism derives from the breasts similarity to buttocks, but instead provide sexual attraction from the front of the body. This can, however, redirect semen into the bladder . Examples of heterosexual big tit milf pornographic film series featuring creampies include Cream Filled Teens and Internal Cumbustion. Pro-am pornography is sub-genre of amateur pornography that refers to professionally made porn that features amateur actors/actresses, often appearing for the first time in a pornographic film. Use of the agreed safeword is seen by some as an explicit withdrawal of consent. Men may also rub or massage the glans, the rim of the glans, and the frenular delta. The range of its individual characteristics is thereby wide. It contains graphic sexual activity and visible penetration. Bondage pornography specializes in the depiction hentai sex of sexual bondage or BDSM activities as photographs, stories, movies, or drawings. Yaoi is anime or manga that features gay males . Among swinging couples, one of the two partners is often the driving force and the other is more passive-supportive of the addition of additional sex parties. Specific sex acts Anal Anal pornography features anal penetration with a penis, dildo, other objects, or some combination of them. In some scenes or relationships it may be impossible for consent to be withdrawn in the middle of a scene, or the bottom may have the ability to revoke consent for a relationship as a whole, but not for a particular scene.