The other day someone came knocking on my door trying to sell me magazine subscriptions. I told them I wasn't interested but they were fairly persistent and didn't take 'no' for an answer. I don't like to be rude, but I finally just had to shut the door.

I wish I had the awesome door-knocker that is in the video above. It would be the perfect way to keep pesky, persistent and pushy salespeople from ever knocking on my front door again. (Heck, it would even work well for candidates during political season!)

Even though such a door-knocker doesn't really exist, it is pretty funny to watch people's surprised reaction to it.

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