// method: toggle the direction reference transform between the corresponding hand transform and the player head transform for the left treader // public static void toggleDirectionReferenceTransformForLeft() => left.toggleDirectionReferenceTransform();
// method: toggle the direction reference transform between the corresponding hand transform and the player head transform for the given treader // public static void toggleDirectionReferenceTransformForTreader(Treader treader) => treader.toggleDirectionReferenceTransform();