The Voralberg Windup Key is a characteristic key that is neccessary to windup all the Voralberg automatons and mechanisms. The key was invented by Hans Voralberg who based it's design on ancient Youkol keys.
Train Winding Machines[]
When Hans Voralberg invented the Mechanical Train he also designed multiple Train Winding Machines to be placed on the stations it will go through. They use the same design as the Voralberg Windup Key in order to wind the train and allow it to continue it's jurney.