It was a black dress with a bodice that fell as a cape over one arm and shoulder, leaving the other bare… it was astonishing to discover that the lines of her shoulder were fragile and beautiful, and that the diamond band on the wrist of her naked arm gave her the most feminine of all aspects: the look of being chained.
Ayn Rand was into BDSM confirmed.
You don't have to read much Ayn Rand to figure that out.