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The most portable high tension extender on the market! Features: Soft silicone padded base for extra comfort Ergonomic base for stretching in any direction comfortably. Always visible tension scales for easy adjustment and alignment. Neck strap to hold the device in any angle even while you're walking around. 22 LB or 10kg of tension - Results within only one hour of daily use. Fully Customizable - Rods can be swapped for shorter or longer ones depending on your preference. Device comes with a 10" rods (Extra rods not included). Extra durable silicone sleeves that will last long time and provide flawless seal. Epic cups - ergonomic fit with flawless seal that offers a quick press to release mechanism - unique to Epic extender. They also have a twist and lock mechanism built into them. Modular design that allows adding extra accessories that will be launched in the future. Works with any vacuum cup.  Package Includes: Epic Extender Device Three Epic Silicone Sleeves - 21mm 26mm and 32mm (Inner Diameter) Five Epic Vacuum Cups - 28mm 32mm 36mm 40mm 44mm (Inner Diameter) Cohesive Tape. Pump.   The best all day stretcher you'll ever buy! Super comfortable and holds securely in place Easily adjust tension by pulling the shock cord Easily measure tension by the yellow indicators on the shock cord. Made of super high quality durable material Cup adapter is sold separately and is not included in the package.