... is excellent. .good for sofa,furniture, golf bag and other extra heavy thick materials sewing Jingneng Brand XL-441/471 single ... needle unison feed cylinger sewing machine(extra heavy materials) FEATURES:Unison feed with needle,presser foot and ... to increase the quality and efficiency of sewing.Suitable for extra heavy materials sewing,such ascase,bags,sofa,furniture,golfbag,belt ...