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