Many clinical studies, as well as our own user data, indicate that penile traction therapy can both increase the overall size and straighten your penis.

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Thousands of Clinical Trials have enabled us to design and innovate the most comfortable and customizable penile traction therapy device on the market.

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X4 Labs™ offers a wide variety of Penis Extenders specifically designed to treat curvature typically caused by Peyronie's Disease using feedback from doctors and patients alike. Straighten your bent penis over time just by simply wearing your device.

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