No it’s not watermelon, but it is the shape of the watermelon.  The wedge! This simple, easy-to-make-homemade device is extremely effective at keeping doors from opening.  By pinching the door, the door becomes very difficult to open and as someone tries to push on the door from the outside the wedge gets thicker and becomes Read more about This simple device is the best door locking system for lockdowns[…]