I go up to the 20th floor and she lets me into a tiny studio apartment crammed with women sitting on cushions on the floor. The room is (in my small town opinion) gauche. A white fake fur rug, red satin pillows, gold cord wrapped around the sheer drapes. None of the 12 middle-aged women look like they want to be there. The instructor begins, "Vaginal weightlifting dates back thousands of years to the emperor's concubines in China. They would teach the emperor how to pleasure his many women, how to give and receive multiple orgasms and how not to come."