The Aluminum Foil on the Door Handle Trick: A Simple Security Hack

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If security is a real concern, combine the foil trick with stronger measures:

  • Deadbolt & quality locks: A sturdy deadbolt is a basic, effective deterrent.

  • Door/window sensors or smart locks: Affordable sensors will alert you if a door opens. Smart locks can log activity.

  • Security camera or doorbell camera: Cameras provide evidence and a strong deterrent.

  • Neighborhood watch / trusted neighbor: Someone checking your home while you’re gone adds peace of mind.

  • Proper lighting & visible deterrents: Motion lights and visible security signs make your home less attractive to opportunistic intruders.

📝 Quick Checklist Before You Use the Foil Trick

  • Fold foil so it’s visible and slightly fragile (easy to tell if disturbed).

  • Tape it securely but in a way that’s obvious if altered.

  • Use alongside a stronger security measure if you’re leaving for longer than a few hours.

  • Tell roommates or trusted visitors about it so they don’t accidentally trigger a false alarm.

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