One of the unpleasant situations you might face is the need to break open your own safe as you have misplaced your keys or have forgotten its password.
Imagine a happy day all set to attend a much awaited meeting being spoilt just because you lost your car keys. This is something we would have encountered at some point or another in our lives.
A faulty door lock should not turn your day awful. Sometimes it goes unnoticed that your door key has become loose and if you do not change it your security might be at threat.