It is mutual consent that makes a clear legal and ethical distinction between BDSM and such crimes as sexual assault or domestic violence. Another variant of reality pornography consists of normal couples that are filmed by professionals, in which case the only obvious distinction from amateur pornography is the higher quality of production, filming and editing. This style of filming is in contrast to having a separate, third-person camera crew filming momporn all the action. Target audience are teenage / young adult women. It may be used as foreplay, or as an alternative to sexual penetration. They further argue that setting a discrete line between safe and not-safe activities ideologically denies consenting adults the right to evaluate risks vs rewards for themselves; that some adults will be drawn to certain activities regardless of the risk; and that BDSM play—particularly higher-risk play or edgeplay—should be treated with the same regard as extreme sports, with both respect and the demand that practitioners educate themselves and practice the higher-risk activities to decrease risk. Examples include the Girls Gone Wild and Girls Who Like Girls hentai videos Series. If this is done using penises and/or strap-on dildos, this is sometimes called the sandwich or BigMac. The term soft crush refers to the more common fetish surrounding videos involving inanimate objects or small invertebrates being crushed, while the term hard crush refers to such videos involving larger animals with vertabrae, and arguably more pain-susceptible animals . Babysitter pornography features usually teenage girls being exploited and having taboo sex with videos gays older, male employers. The genres of pornography are based on the type of activity featured and the category of participants, for example mateur pornography is a category of pornography that features models, actors or non-professionals performing without pay, or actors for whom this material is their only paid modeling work. It is sometimes described as a sexual fantasy, by women or men, depicting an exhibitionist or physique worship scenario.