The rotating stretch will increase the length your penis. This is accomplished through stretching of muscle tissue, allowing an increased amount of blood flow into the muscle. This exercise should only be done by someone with at least 3 months of penis exercise experience, or else injuries may occur. Your erection level should be between 0 to 50 percent.
A full rotation counts as 1 rep, the recommended number of reps are 10. The reps are continuous there is no stopping, for example 10 reps would be 10 continues circles.