Free Sample of Nikwax Cotton Proof *New!* This is a new sample opportunity from Nikwax, so click through HERE and register if you're new to Nikwax sample quizzes (which we've posted in the past) then take the quiz to snag your free 100ml sample of Nikwax Cotton Proof! Don't worry, there's a "Clue" option in case you have trouble with the quiz ;) One free Nikwax product sample allowed per View Post