How to Break a Lock With Liquid Nitrogen or Canned Air

Locks are made of metal, and metal has one critical weakness; it's brittle when cold. So brittle in fact that it can be smashed like glass.
So, all you …

Locks are made of metal, and metal has one critical weakness; it's brittle when cold. So brittle in fact that it can be smashed like glass.
So, all you …