... top,water-proof cloth.. SPECIAL FEATURES AND APPLICATIONS· Single Needle,Top & Bottom Feed,Flatbed,Lockstitch Machine For ... Single Needle,Bottom Feed,Flatbed,Lockstitch Machine For Ordinary Heavy-weight Materials.· Applied the large rotating hook & bobbin,suitable for thick thread stitching ... materials,ensures the prefect & fine seams.Suitable for stitching all the extra heavy-weight materials,such as ...