What is foil around doorknob?

Foil around a doorknob can be used in a variety of ways.

Firstly, it can be used as a temporary measure to prevent accidental shocks. This is because foil is a conductor and can help to dissipate any static electricity present on the doorknob.

Secondly, foil around a doorknob can be used as a security measure. By wrapping the doorknob in foil, it can make it more difficult for someone to pick the lock or gain entry without a key.

Finally, foil around a doorknob can also be used as a decorative element. This is often seen during the holidays when people decorate their homes with tinsel or foil streamers. Adding foil around a doorknob can create an eye-catching element to the decor.

Overall, foil around a doorknob can serve a practical or aesthetic purpose, depending on the situation.