A member's head is believed to be the part that needs to be increased most, because it's the first part of your member that your partner feels. Based on the above, the keguel is the first and most important exercise you'll learn.
If you want to do one exercise, it'll be Keguel's exercise. Kegel's exercises are very simple, they don't take much time, and they're the only exercises that don't include a member's training, instead of training your skeletal muscles.
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