... -offerings,little oil-consuming,etc.Sewing shirts,uniforms,jeans,overcoat,etc.Applicable ... straight needles, self-lubricating vertical-axis rotating hook for catch thread loops and sliding can thread ... lines of lockstitch, serve for the purpose of sewing shirts, uniforms, jeans, overcoats, etc. applied ... to a wide range of sewing materials, synchronized feed by needle and feed dog ...