Learn how to unlock a combination lock with 4 digits when the combination is forgotten.

This video is created with Brinks padlock with model no - 171 -30051.

Follow these steps --

1) Apply upward tension on the shackle
2) See which dial offers the maximum resistance.
3) Start rotating the dial which offers maximum resistance.
4) When the correct digit is aligned, you will hear a click sound.
5) Move on the next number