Aluminum foil doesn’t just show signs of tampering. It also makes noise. If someone tries to open the door while you’re inside, the foil will crinkle or crackle loudly. That sound can wake you up or alert you to movement before anyone even gets inside.
Think of it as a mini alarm that costs a few cents. The moment you hear that rustling, you know something’s not right. You can respond safely—whether that means checking through a window, turning on outdoor lights, or calling for help if needed.
Why It Might Deter Intruders
Continue reading…