Softcore pornography generally contains nudity or partial nudity in sexually suggestive situations, but without explicit sexual activity, sexual penetration or extreme fetishism, while hardcore pornography may contain graphic sexual activity and visible penetration, including unsimulated sex scenes. The Japanese sex industry uses the term Paizuri . In many cases, that person is also aroused by smelling body parts that have a urine scent. BDSM pornography depicts bondage and discipline, domination and submission, sadism and masochism. It is practiced by people of all sexual orientations, and can be part of a full gaysex repertoire of sexual activity. When all regions of the face are included, facial cum shots comprise approximately 62% of scenes where external ejaculation occurs. Insertion in pornography features women inserting various odd objects into their anus or vaginas. The most common depiction of a hermaphrodite is a person with a female face, breasts, and build, and a penis , although there are other combinations. There are currently no known laws forbidding the crushing of objects and insects, however the production or trade of crush erotica involving live vertebrates is condemned by animal rights activists and is illegal in many countries, including the United States and Great Britain. It has been described as professionally made porn which seeks to emulate the style of amateur pornography. Within a BDSM or D/s context, facesitting can be an naked milf especially intense form of erotic humiliation. Guro or Gore is a genre of Japanese pornography involving hentai porn blood, gore, disfiguration, violence, mutilation, urine, enemas, or feces. This type of stimulation is typically all that is required to achieve orgasm and ejaculation. Boot fetishism is a sexual fetish dedicated to boots. These typically are leaked to the public via the Internet, with or without the celebrity consent. Some couples use a threesome as a way to develop a love triangle . The interaction between tops and bottoms—where physical or mental control of the bottom is surrendered to the top—is sometimes known as power exchange, whether in the context of an encounter or a relationship.