how to make a pocket square with a sewing machine?

Product Description Application of pocket sewing machine suitable for sewing back pocket ,leather card flap open wire, pants province, decorative bags. Main Features 1) Equipped with electronic speed-adjustment motor and freely to adjust the sewing speed according to the thickness of the materials and threads to make the stitch even and beautiful. 2) Applicable for sewing complete materials and piece materials. 3).The feeding mechanism of the XY axis adopts feedback type digital circuit,the stitch length can reach to when sewing in high speed with . 4).7.5 inch LCD,It operates easily and the thread trace is even and beautiful. 5).Available to stitch the pockets with any shapes, such as round, square, curved, asymmetric pocket; 6).The sewing process for back bag used in various fields, such as denim, leisure pants, uniforms, work clothes, etc. with automatic trimming