Why wrapping aluminium foil around door handles works as a DIY security trick
A peculiar DIY home security trend involves wrapping doorknobs in aluminum foil. This simple, inexpensive trick acts as a tamper indicator and an auditory alarm, alerting homeowners to potential intruders. Research suggests that even subtle environmental cues, like the foil's reflective surface and potential noise, can deter burglars by increasing their perceived risk of being caught.
