A common way that these are depicted in a single scene is with one woman and two men performing together. Sex experts have praised various techniques that the performer can use during fellatio to increase their partner pleasure. In recent years, Japanese films of this genre have become more common in the USA and Europe although it still remains a small, fetish-oriented part of the adult film industry. It may be used as foreplay, or as an alternative to sexual penetration. Rough sex pornography is similar to pornography featuring sadomasochism, and typically features a Top who humiliates and/or degrades a Bottom while being physically violent towards them. Fisting may be performed with or without a partner. Now facial cumshots are regularly portrayed in anime hentai pornographic films, videos, magazines and internet web sites. Pleasure for the giver during anilingus is usually based more on the principle gay movies of the act. But starting with The World Biggest Gangbang , starring Annabel Chong, the pornographic industry began producing a series of films ostensibly setting gangbang records for most big tit milf consecutive sex acts by one person in a short period. This is why video stores might consider stocking transgendered subject matter in the straight section, as some straight men will have passive or active sex with another man as long as their partner appears to look like a woman to them, to some minor or major degree. The related term twinkle-toes, which implies that a man is effeminate, tends to be used in a derogatory manner. Sub-genres of Japanese porn Among the various sub-genres of Japanese pornography are the following: Lolicon ロリコン: This genre involves prepubescent and adolescent girls between the aged of 6-12. Common phrases used to refer to these individuals are chicks with dicks, trannies, or shemales, although these are generally considered pejorative slurs among transwomen. Insertion in pornography features women inserting various odd objects into their anus or vaginas. Crying pornography that features participating actors crying.