Have you ever wondered why your Grandpas jerked you off while blindfolded? You may have heard a funny video about him doing it once and never forgotten it. Or perhaps you have experienced it first hand. Whatever the case, it was an awkward experience and you want to know why. If so, this video will help you. Read on to find out why. You might be surprised! You may even be surprised to learn that Grandpas jerk blindfolded!.