... ,Presser foot can be lifted up tp 20mm for sewing extremely thick materials.2,Movement of the ... be infinitely.3,Free working space is 320mm suitable for large items.4,Large half circumgyration shuttle reduce ... changes and to raise Sewing efficiency.5,This machine is designed for sewing extreme heavy materials such as handles ... Heavy Cylinder Bed Single-needle(Walking Foot Sewing Machine for Moccasin)