The participant read the hinge instructions from start to finish.Doyun set down the practice board. The participant read through the steps again.On the first try, the pieces didn’t fit.The participant checked the gap and turned the board around.Click. This time it fit.It was time to tidy up. The participant picked out another piece of wood.This time, they made a little door.In the empty workshop, the door swung open and shut once more.