AV sticks, vibrators, as their name suggests, are names from AV movies. The big-headed AV sticks were real massage sticks at first, used to massage the body parts of the back and shoulders. Later, I don’t know which island people use it. Wrong place, I guess it was a girl, and found this big head stick is quite useful. ... The AV stick is specially designed for external use to stimulate Xiaodou, and its vibration power is much stronger than ordinary vibrators. The AV stick exists for the quick orgasm of Xiaodoudou. Foreplay techniques to make the actress orgasm!