X4 Labs, a Canadian medical research and development company, has worked closely with leading male-health specialists and urologists to develop the world's first Hybrid Support System - based penis extender.
In order to provide increased comfort and improved efficiency, the X4 Extender incorporates the science of medical traction, employing gentle stretching in order to lengthen, widen, and straighten the penis.
The quantum leap taken by the Hybrid Support System allows all patients to choose themselves between traditional silicone tubing “nooses” and renowned X4 Comfort Strap technology.
Clinically tested and doctor recommended, the X4 Extender is comprises the highest quality materials and is clinically certified for use without the need for medical supervision. The extender's unique features are a result of years of engineering and testing.
|  | With the Male Edge penis enlarger, penis growth is guaranteed. On average, men using the Male Edge increase their penis size by 28% in length and 19% in girth. If you’re currently 6 inches, you can expect to grow to 7.7 inches.
Comfortable, affordable and recommended by doctors, the Male Edge penis enlarger is the product for men looking to add inches to their penis.
With the traction-based Male Edge penis enlarger, you decide how much traction you apply to your penis. You also decide how long you wear the penis enlarger for. The more you wear your penis enlarger, the bigger you’ll grow. And as soon as you’re happy with your new length/girth, you can simply stop using it.
To qualify for their double money back guarantee, you will be required to log your progress online once a week. You'll also need to take before and after photos of your penis.
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First place: X4 Extender. 54% users voted for X4 Extender.
Second place: Male Edge. 46% users voted for Male Edge.
