It is impossible to plan you can get to the professional body in the penis. The smooth surface and the balance so that the device is working properly, important, and you will have difficulty in establishing a balance on a home.
Taking a risk for all materials that are not very soft. Cuts and bruises can be very painful, if you have a device that is not completely smooth run on the surface, is likely to hurt him.
There is also a risk of damage to nerves and blood vessels. If you are not sure how to use a penis stretcher, or let too much time, then the blood flow to the penis is too large, break and cause serious damage.

These are just some of the risks involved in your own penis stretcher. Although the project, and many people have successfully used, is always a better idea, one of a company to investigate and find a safe and legal market. And if you are not using the penis stretcher that you have read all instructions and seek clarification if uncertain about something. If a penis stretcher sound you want, then by all means, satisfied with the decision to change his life. Just do it safely.