... seating,buff,harness,jute bag,automobile top,water-proof cloth.. SPECIAL FEATURES AND APPLICATIONS· Single Needle,Top & Bottom Feed,Flatbed,Lockstitch Machine ... For Extra Heavy-weight Materials. TY-1801 Single Needle,Bottom Feed,Flatbed,Lockstitch ... ,such as tent,seating,buff,harness,jute bag,automobile top,water-proof cloth,bags,etc..