- The Candice Geisha ball is made from ultra-soft medical-grade silicone and will bring you to an erotic peak. Enjoy the vibrations while dramatically enhancing sexual intercourse activity. Insert the Geisha ball into the vagina to strengthen the vaginal and pelvic muscles as well as to improve sexual performance. It stimulates the muscles surrounding your rectum, uterus and bladder while providing a spicier stimulation of your clitoris. Play a little tug-of-war with the string and your pelvic floor muscles, or actively try to squeeze the ball while inside, for maximum benefits.