Wrapping your door handle with aluminum foil may seem odd, but it’s becoming a clever way to boost home security. The idea is simple and inexpensive while offering both a visual and audible warning.

Before going to bed or leaving the house, “wrap the outside door handle snugly with aluminum foil.” If the foil is wrinkled or torn later, it could mean someone tried to open your door — a subtle sign of tampering.

It also works as an instant noise alarm. When touched, “it crinkles loudly,” alerting you immediately so you can act quickly.

Beyond detection, the foil can “make potential intruders think twice.” Burglars prefer easy targets, and a foil-wrapped handle looks unusual enough to discourage attempts.

For extra protection, add simple tricks like “placing a pot or cup on the inside handle.” If disturbed, it crashes to the floor, warning you and startling intruders. Combined with good locks, lighting, and security cameras, this DIY hack adds a helpful layer of safety.