For frequent travelers, it’s especially useful: wrap the handle before leaving, and you’ll know immediately if someone touched your door while you were gone. Peace of mind without needing neighbors or landlords involved.
Why It Endures
This trick works because it’s practical. It doesn’t overpromise. It’s a simple, quiet tool for vigilance—consistent and effective. In a world obsessed with complex solutions, sometimes the smartest security measure is as humble as a sheet of foil, quietly showing whether your boundaries were respected.
