Warm-up exercise is also called hot compress preheating method: the correct way to enlarge the penis is to enlarge the penis body and the cavernous body full of blood when erect. If you start practicing without warm-up, it is easy to cause the penis to be full of harmful blood clots. Just as you should warm up before fitness, the practice of enlarging penis should warm up from now on. It will warm your penis and enhance the cavernous body and its elasticity. First of all, when the penis is not erect (but be careful not to cause pain), grasp it around the glans penis, release it after 10 seconds, and repeat 10 times. Make an elongated rotary motion, clockwise and counterclockwise ten times each. From this, you will feel that the penis has been partially erect. This method is called hot compress because the next step is to wrap the penis and testicles with hot towels. The method is as follows: wrap the penis and testicles with a hot towel soaked in hot water for one minute for two minutes. Don't take away the hot cloth, even if it is unbearable, because the heat will soon disappear. Put your feet in hot water at the same time. Do it five times in the same way. Using hot compress will speed up the blood flow in the cavernous body of your penis, dilate blood vessels and speed up blood circulation, thus enhancing the exercise effect and increasing the size of your penis. Or you can take a hot bath to warm up. Remember that the water temperature in the bathtub should be kept at 52 degrees Celsius, and the height of the water should exceed the waist 10- 15 minutes. Warm-up exercises should be carried out before and after each exercise, which can accelerate the effect of exercise and avoid possible injuries during exercise.