Penis exercises are said to be the safest, Zydenafil most affordable and most effective way for penis enlargement. Penis exercises are more convenient than penis traction devices and are proven to increase your sex organ just by doing easy and simple exercises for only about twenty minutes a day, five days a week. These exercises are most commonly known as jelqs, which can enlarge your penis size by tissue expansion process when done regularly. With jelqs exercise, tissues tend to grow by cell division and reproduce over time. This allows the penis to hold more blood, resulting to a thicker and longer penis. It can be a slow process but it is proven effective.