This adopts single straight needle, Jampan-aligning thread, and vertical rotating spindle hock threads to form double-thread lock stitches, the upper and lower axis adopts spiraling bevel gear, cylindrical seaming stand and rolling presser foot, which is convenient for vertical and zig-zag seaming, Applicable to the corner seaming of leather shoes, sports shoes and leadther bags. Hinged, rotating shuttle hook; easier to maintain, beautiful in design; metalplating enhances the surface abrasion resistance.
