My friend Paul Andrus on facebook is a writer and his posts are often provocative and fascinating. Here is Paul talking about slave girls in BDSM: 
One of my idea says for slave girls- for a slave girls, its always mandatory to being naked all times in any condition, whether its cold or hot doesn't matter..her pussy and ass is belongs to hard fuck by many equipments...I mean about hard fuck is without mercy in continuity.. Slave girls should be use as a subject for goddess or master... She is a puppy puppet for them...
My ideas says- slave girls should be ready for every sessions...like pee desperation, anal stretching, pussy exploration, pee drinking and scat eating..getting whip straight on her pussy, torture in jungle..and after all these sessions, if she found perfect and passout all these sessions correctly, then at last fucking brutally with 100 strong cocks one by one...and she should be fuck until all 100 cocks gets there orgasms...and all cums should be save in a plate to eat for that slave girl..