Today, portable battery-powered vibrator is the most popular sex toy in the world. But once, at the dawn of electricity and telephone, unsatisfied women had to carry out the massage of one of the tenderest places manually. A young Dr. Granville succeeded in this but because of the rapid popularity of the massage his hand cramped. Of course, he used both his hands one after another, but it was not enough. That’s why he invented this miraculous device. But the final breakthrough, at least in the doctor’s mind, happened when a nice and “advanced” girl helped him to understand that a good husband is most perfect device.