A lot of men have curved penises, but what many people are not aware of is that for some men this can be a painful condition known as Peyronie's disease . This condition can lead to extremely painful erections, avoidance of intercourse and sexual relations with a partner as well as affect the psyche of the effect man, both in terms of the appearance of the penis and its functionality.

Peyronie's disease is thought to be caused by some kind of trauma to the penis itself which results in a region of scar like tissue which hardens into a plaque. This region of plaque does not stretch and as a result when the penis becomes engorged and erect, the rest of the penis expands, but the region of plaque buildup does not, resulting in the penis bending at that point.

There are a number of treatments a urologist can offer, including surgery, vitamin supplementation and stretching. For some sufferers the embarrassment of the condition prevents them from visiting a urologist, for these people traction devices, which are readily available online provide an effective solution.

The science behind the devices are that stretching cause cells to stretch and divide, in time the volume of cells in the damaged area will balance out with those in the undamaged area, leading to a much straighter looking penis. The cells stretch much in the same way African tribes woman can stretch their necks, or today's youth stretch their ear lobes.

The stretching device is worn for a couple of hours every day, they are usually very discrete and light and can be worn under clothes. It can take weeks of wear before noticeable results are evident and can take months or longer to totally straighten the afflicted penis.

What you must be very wary of is to make sure you get a quality stretching or traction device, the last thing you want to do is be a cheap replica which will do nothing or even damage the penis more.