... cushions, shoes, SPECIAL FEATURES AND APPLICATIONS1,Presser foot can be lifted up tp 20mm for sewing extremely thick materials.2,Movement ... shuttle reduce number of thread changes and to raise Sewing efficiency.5,This machine is designed for sewing extreme heavy materials such as ... seat belts, chair cushions, shoes, etc. Extrd Heavy Cylinder Bed Single-needle(Walking Foot Sewing Machine for Moccasin)