Product Description Shoe Side Seam Sewing Machine LX-668S is a normal Sole Sewing Machine, special for children and ladies casual shoes or sandal shoes inseam stitching, with gear driving construction system in higher cost and stable performance, it has fast working speed, and easy to operate specialty. 1.With patent of invention, Applicable for sports shoes, casual shoes side seam locking type sideline processing 2.With ox-horn gear drive, and middle shuttle 3. All parts were made by CNC machine, all parts is of great quality. 4.Use electron motor to control the speed, it is easy to change the speed, and break controlled by computer. 5. This machine thread hook use gear to drive, durable and waterproof, 6. This machine's thread hook, gear cover, ring and so on are imported from ZUOWEN in Jason.