Extensions and extenders are primarily used to strengthen and enlarge your penis to achieve unusual sexual experiences. Extensions are used to stretch the penis, penis like a condom and are made of fine latex. Some models of extensions are additionally equipped with a vibrator or projections for more intense irritation. Extenders strengthen and increase the volume of the penis and are designed to be attached to the body so that they can be used by both men and women. Some extenders are additionally equipped with a vibrator or vacuum pump.