Jelqing (also known as milking) is an exercise designed to force large amounts of blood through the penis, increasing the internal pressure and creating controlled damage or micro-tears in the structure of the penis. This damage will be mostly repaired overnight but overworking or not taking rest days will reduce efficacy. The effects can be to increase length or girth or a combination of the two.

The exercise consists of applying an OK style thumb and forefinger grip encircling the base of the lubricated partially erect penis, restricting blood flow, and pulling this grip forward toward the glans. Once one hand has reached the glans the same grip and motion is applied with the second hand. This process is repeated for a number of strokes in a continuous milking motion. Each stroke should take no less than three seconds.

It is important that jelqing is proceeded with and followed by a warm wrap, to relax the tissues and minimize chances of injury.

Erection Level
The level of erection is important. If you Jelq with too low an erection level or allow your erection to subside for too long before correction, the pressure during the progression of each stroke will vary greatly. The start of the stroke will be low pressure and the end of the stroke will be a much higher pressure. This will encourage more girth development toward the glans and eventually result in a baseball bat shape developing.

The minimum erection level you should allow is 40%-50%. In general, the greater the erection, the more effect on girth. Likewise, the lower the erection, the more effect on length. That said, some gain length easily and others only find girth increases. Jelqing with erections higher than 80% should be avoided initially. All unchecked information about penis enlargement which is widely available on the net can be very dangerous for you. Fortunately, there is a professional resource such as Penis-Health