One of the first things you will need to learn when you begin your tennis training is how to hold a tennis racket and what grip you will use, there are many factors that go into this decision. Elements such as your style of play will factor in this decision.
Section 5. 1  Geisha balls or Ben-Wa-Balls are weighted balls that you can put in your vagina; this is a great way to make your pelvic muscles stronger by keeping can tight and contracted.
You're definitely storing more semen in the balls, and if you go for a prolonged period, your balls actually need to start getting rid of the semen. If you're not doing it on your own, you'll have a nocturnal emission, or wet dream: it's your balls having a fire sale on semen.