It seems like one of those clever household tricks that costs almost nothing: wrap a little aluminum foil around your door handle, and supposedly you’ll have an inexpensive way to make your home safer.
The idea has spread widely online, with different versions claiming that foil can make a door harder to open, create a warning sound if someone touches the handle, or even discourage a would-be intruder.
But when it comes to home security, it’s important to separate an interesting DIY idea from something that has been shown to
