2. Hold the penis and testicles up, down, left and right for 30 times, and then change hands and do it again 1 time.
3. Hold the penis in the palm of your hands, and rub it back and forth with force 100-200 times. Don't hold your breath, relax your muscles and avoid thinking. The reason why Doushenxiang can play the role of strengthening yang and fixing sperm is because it is directly connected with the kidney, and Guzhi is a man's external kidney. Testicles are properly stimulated, which can naturally play a health care role for the kidneys.