... First Service First Computer embroidery machine with 4 heads, can embroidery on cap, t-shirts, polo, sock, sleeve, trousers , jacket, ... First Service First Computer embroidery machine with one head, can embroidery on cap, t-shirts, polo, sock, sleeve, trousers , jacket, ... filled-in effect by sewing many parallel rows of straight stitching. A machine's zigzag stitch can create thicker lines within ...