Seem to work okay and feels really good and fun when you're Jerkin off or pumping I think I have found a new work out HOBBY for hours of intense Mann fun time for sure dude. See questions and answers. Other Sellers on Amazon. Page 1 of 1 Start over Page 1 of 1. Customers who viewed this item also viewed. Find your preferred location and add it to your address book Dispatch to this address when you check out Learn more.