Ben Wa Kegel balls. Ben Wa balls are small metal spheres, hollow, with a small cylindrical weight inside that moves. They are also called geisha balls or Chinese rosary. They are used for massages and meditation, but their most common use is for stimulation of the vagina and anus. The Ben Wa balls are therefore a sex toy, and can be inserted by the woman into the vagina during sexual intercourse, or during the day, at any time. How are Ben Wa balls used? The Ben Wa balls can be used during the day, so as to cause, with the movement of the weight inside the balls, a very pleasant light stimulation. Ben Wa balls are also used to strengthen the pelvic floor, to increase the elasticity of the vagina and to control the bladder in the case of slight incontinence. Using the balls improves sexual performance, since, by strengthening the muscles, you will be able to experience more intense sensations and longer orgasms. During use, the balls only cause a sensation of pleasure, they do not lead to orgasm. Many women use them while sitting in a rocking chair, but they are usually used during a walk. Types of Ben Wa Balls In general, Ben Wa balls are made of metal, but there are rubber ones with pads, or others arranged in a row, used for anal stimulation and strengthening the sphincter. Then there are plastic ones, with small metal spheres inside. Others, on the other hand, have a drop of mercury inside and a vibrating metal tongue, and cause pleasure even with just the movement of the legs.