There is no 0. 1 line on the clothes, which is called gold inlay. There is a presser foot fixed on the general machine. The width of clothes may be uneven in the process of pressing, because the hands, eyes and feet are not harmonious when stepping on the machine. Aircraft regulations can be used.

Align the front end of the gauge with the flat-fell seam, and press the line directly. This small tool presses the thread evenly and quickly, and the end is a sewing tool for manual enthusiasts.