In more vigorous forms of fisting, such as punching or punchfisting, a fully clenched fist may be inserted and withdrawn slowly. The reverse of this, in which nude women interact with clothed men, is called Clothed male, naked female . The term applies to the depiction of the act rather than the act itself, and so does not include live exhibitions like sex shows and striptease. Gay-for-pay describes male or female actors, pornographic stars, or sex workers who self-identify as heterosexual but who are paid to act or perform as homosexual professionally. Hardcore pornography is pornography that depicts penetration or extreme fetish acts, or both. The term pearl necklace is used by some because the drops of semen deposited by the man resemble a necklace of translucent white pearls. Celebrity sex tapes are amateur or professionally-made recordings of sex acts, as performed by a celebrity and their partner. A crush fetish is a fetish in which one is sexually aroused usually when someone crushes objects, food, and sometimes small animals with their viagra 100mg body, usually under their foot, or when crushed oneself. Often, strong views are expressed with regard to anal sex; it is controversial in various cultures, especially with regard to religion, commonly due to prohibitions against anal sex among gay men or teachings about the procreative purpose of sexual activity. Bukkake pornography involves a performer, usually female, onto whom several men or women ejaculate, usually on the face. Rape pornography features performers simulating rape. Women oriented pornography is sometimes referred to as sex positive pornography. The wife who enjoys cuckolding her husband is frequently called a hotwife, or a cuckoldress if the man is more submissive. Preggo pornography features pregnant performers and may include erotic lactation as a fetish. Entacle erotica describes a type of pornography most commonly found in Japan which integrates traditional pornography with elements of bestiality and a fantasy, horror, or science-fiction theme. Consumer Elite Dental Applications" /> Consumer Elite Dental Applications