Can you call the unlocking company if you can't open the suitcase in the hotel?

Of course. The most practical method is to find an unlocking company, which is both safe and convenient. By applying slight pressure, the unlocking company pushes the pins into the keyway one by one with a pick until all the pins are lifted. Then, insert the lock opener into the upper part of the keyhole, feel the presence of marbles inside, touch the marbles one by one, try to exert more and more pressure, find the most difficult marbles, exert just the right force to offset the pressure exerted by the spring, and then easily open the lock.