Yes, with the help of penis extender device, you can increase your penis size but the size can vary on personal genetics. If the device is properly used then only it can be known whether the size is gained or not. Well to see the best results, traction device is to be worn for several months as because traction device takes lots of time to make changes. The time you are giving it can provide you better results and some may gain as much as two inches. It will be good for anyone who have a curved penis and want to make it straight and it can also increase the penis size.