Sewing star offers single post-bed sewing machine. This single post-bed sewing machine comes with double wheel and needle feeding that facilitates smooth sewing operation of upper and lower leather, ensures continuous suppoy of leather and provides constant working ability. The combined action of wheel and needle ensures constant stitches in both thick and thin sewing operation. Needle feeding ensures constant supply of leather whether it is sewn thick or thin and whether it moves staright forward or makes turns. When spongy material is sewn, it will not crinck.