1. generally, Anta turns the button shoelaces together and uses a knob to control them uniformly. the knob is generally located directly above the shoelaces or at the back of the shoes.
2. The knob of Anta's rotating button shoelaces is generally in a fixed state when pressed, so we can only tighten the shoelaces, but not loosen them. Therefore, when tying the shoelaces, we should press the knob first, and then rotate to tighten the shoelaces.