The Mushroomhead cylinder design has two chambers focusing on increasing the length of your cock but with an emphasis on expanding your cock head. The swelling and enlargement of the nerve ending in the cock head makes your prick extremely sensitive to touch enhancing your overall sexual experience.
The Mushroomhead cylinder is 9 1/2 inches in length, the cock cylinder is 5 inches long and the head chamber has a circumference of 10 inches.