There is a minimal risk in everything we do in life, whether we operate a lawn mover or a toothbrush.
However, our program, or programs that are based on the same knowledge, have been used by millions of men throughout history, and more than a hundred thousand Americans in the last three years.
It's possible to poke one's eye out while handling a toothbrush, and it's possible to get something wrong with any penis enlargement program.
To minimize the risk, our training manual is exceptionally rich in illustrations. As long as you conduct the exercises in the manner suggested in the program manual, the risk that you may harm yourself is small indeed.