Hermione savoured the salty taste of her master’s member on her tongue, even without her oral fixation she would have continued to be desperate to please the evil wizard. He tasted like heavenly pleasure. She couldn’t begin to rationalise her desperation to enjoy her current predicament, all she could feel was her absolute hunger to suck the Dark Lord dry. This preoccupation allowed Bellatrix to truss up her sex, again contriving to lock-up the prisoner even further curtailing her sex completely.