At first glance, wrapping aluminum foil around a door handle might sound like an internet myth or a prank. However, some homeowners and travelers say they use this simple method as a way to stay aware of their surroundings — not as a replacement for proper security systems, but as an added layer of observation.
The idea is straightforward. Aluminum foil is thin and easily creased. If it’s wrapped smoothly around a door handle, any movement can leave visible marks, dents, or tears. For someone who places it before going to sleep or leaving home, it may act as a visual cue to indicate whether the handle has been touched.
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