such as cock and ball torture. Vibrators come in a range of shapes and sizes, for internal or external use. BBC News Rati Chaudhary. "Vibrator of the Future". 8 They are able to produce far more powerful vibration than most battery-powered vibrators. "Sex Aids on Retail Shelves". Due to the novelty classification, sex toys may contain toxins such as phthalates, which have been banned in children's toys by the cpsc.