Get ready for larger, thicker erections with Rock Solid's Auto Pump. This single-speed clear pump allows you to see your growth as it happens. Requires two AAA batteries, not included.
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Creates Thicker, Harder Erections
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Clear Vacuum Cylinder with Centimeter Markings to Track Progress
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Soft Silicone Sleeve for Airtight Seal
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Air Release Button for Fast, Safe Removal
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Phthalate-Free, Body-Safe