5 thoughts on “Don’t Open the Door!”

  1. Tape a carboard frame about three-inches back from windows and only fill that space between the window and your cardboard/tape/cellophane backing. The effect is there until someone opens the door.

  2. Nope…tape the cardboard frame back there and fill it only enough that the frame can still be seen. Then, when they think they’re slick and walk on in, they’re bombarded by the full thing…

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