That is why I can tell Hannah Harper that wanting to smack someone with a whip doesn't make her demented.
In one of her edgiest roles ever, Sin City contract star Hannah Harper finds herself exploring her sexuality in the nether world of bondage and deviancy in the two-disc DEMENTIA IV
It's not enough that the unfulfilled housewife gets into bondage, but she also becomes a deviant.
Bondage and fetishism are classified as paraphilias, in which attention is paid to things outside the traditional sexual spectrum. The Diagnostic and Statistical Manual of Mental Disorders, 4th Edition, further requires such practices to be the sole source of sexual gratification for a period of at least six months in order to be considered paraphilias. Then you have to take into account whether the partner is consenting.
Since everyone in the movie signed a release form, we can be sure that Harper is not, in fact, demented. Dementia 1V also stars Gia Paloma, Brooke Haven, Taryn Thomas, and Annette Schwartz.