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Duo Balls, also known as Ben Wa Balls and Kegal Balls, are insertable balls designed to provide internal stimulation for women and can exercise and strengthen the Pelvic Floor area. 


Many believe that this stimulation and exercise action is what contributes to the pleasurable action of the balls, particularly when used over time. 


They contain a mild chime like agitator that has a vibrating effect on the balls rocking to and fro, and many customers report some amazing sexual stimulation. 

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