Sew button using the double thread bringing the needle up and down through the holes. After working enough stitches bring the thread to the wrong side of the fabric and insert it into the previous thread forming a small knot. Buttons with 4 holes may be sewn in the shape of a cross, two parallel lines, a square or an arrow head.

1. Shirring made by long machine stitches: Stitch as many rows of gathering as desired with long machine stitches and secure each row with a knots in the seam allowance. 2. Elasticized shirring: This is made by using elastic thread in the bobbin. Wind elastic thread on the bobbin by hand, stretching slightly. Use a long stitch, 6 to 8 stitches per inch (3-4 mm in length).