1. Spin the dial completely around clockwise at least twice. Continue clockwise to the first number.
2. Rotate the dial counter-clockwise. Pass the second number once, then stop on the second number.
3. Turn the dial clockwise until it stops, a bit past the third number.
4. Lift the latch and your locker will open.

In the video below, the locker's combination is 17-27-37.

1. Close the locker.
2. Spin the dial counter-clockwise.