DavidL Report post Posted April 21, 2014 http://www.laederiet.dk/produkter/Visprodukter_engelsk.asp?intPage=2&id=25 - Leather hardener Found something interesting. Has anyone used this on upholstery leather to make it stiff enough for leather goods like wallets. Is there any natural way to stiffen upholstery/ chrome leather so they can be stiff. Quote Share this post Link to post Share on other sites