Insert the key into the small padlock for such suitcases as the xSpace series. These suitcases use a small padlock between zippers on the main compartment. Insert and turn counterclockwise to pop open the locks for access to the main compartment.
Turn the combination tumblers on hard shell cases such as the Black Label series. Start on the far left tumbler and turn the dial to the first number in the combination code.
Move to the nest tumbler and spin to the next number in the combination code. Continue down the line entering all combination code numbers until you reach the end. Open and access the main compartment.