To be sure, there is a seemingly endless number of penis enlargement exercises. These enlargement exercises have greatly proliferated in the past twenty years, in large part due to the expansion of the internet, where easily accessed manuals are an excellent guide, so long as they are corroborated with each other. These exercise enlargement programs are occasionally flat out wrong or even dangerous, and some care should be taken when considering which techniques to use.
The key behind any enlargement exercise is improving blood circulation, which allows more blood to enter the penis, essential for erections. Theoretically, increasing the amount of blood than can enter the penis will result in a larger, stronger erection. For some people, the most effective means to male enhancement and enlargement is through a combination of exercise and herbal drugs, though for each person a different strategy catered to personal needs is ideal.