Feeding method auxiliary parts

Feeding movement is one of the most basic sewing operations, but the earliest sewing machines did not have a feeding mechanism. In other words, the earliest feeding mechanism appeared in the form of auxiliary parts.
In addition to these three most basic and important auxiliary parts, there are also inlay auxiliary parts, pleating auxiliary parts, needle threader, zigzag stitch machine, buttonhole machine, belt stretcher, presser foot lifter, Powerful tractors and more. Although various auxiliary parts are small, the use of these auxiliary parts adds new functions to the sewing equipment, making the operation more labor-saving, high-speed and efficient, thereby obtaining greater economic benefits.