Post #3317506

The tinfoil on doorknob thing is supposed to “scare away burglars” because it would make a noise or somehow reflect light in a particular way (don’t ask me, I don’t get it either). It was very hard to find a non-slop article about it https://tech.yahoo.com/home/articles/no-wrapping-doorknob-foil-wont-120124585.html