What is wrapping foil around door knob when alone?

Wrapping foil around a door knob when alone is a DIY method to prevent unwanted individuals from gaining access to a room or building. The foil prevents anyone from turning the door knob from the outside, while still allowing the person inside to unlock the door and leave when needed.

To wrap the foil around the door knob, simply tear off a piece of foil and wrap it securely around the knob. Make sure it is tight enough to prevent any twisting of the knob without tearing the foil. It's important to note that this method is not foolproof and should not be relied on as the sole means of security.

It's important to have a plan for safety when alone, such as keeping your phone with you, being aware of your surroundings, and having a way to contact help if needed.