The hand overcast stitch involves small diagonal stitches evenly spaced out binding the fabric raw edge.
To create an overcast stitch by sewing machine, we can use an overcast foot, though a regular foot also can be used. The overcast foot has an edge guide which helps the fabric to feed evenly along the edge and a bar in the middle that controls the stitch and makes it lay nice and flat. 
Overcast stitches may be reversible, as when they are used to join together crochet block pieces of afghan blankets. There are several different kinds of overcast stitches. A straight overcast stitch is used for finishing edges in eyelets and cutwork. A blanket stitch, used to finish edges of wool blankets, is another common overcast stitch.
In embroidery, an overcast stitch is a raised line stitch used on even-weave fabrics. It is commonly used for outlining designs. There are two methods of creating an embroidered overcast stitch. In one method, a line is stitched to create padding, then another thread covers the padding stitches in small stitches at right angles to the padding stitches. The other method is called detached overcast stitching, and involves two alternating padding stitches that pick up the fabric, followed by overcast stitches that cover the padding stitches without picking up the fabric.
- Calderin, Jay (2009). Form, Fit and Fashion. Rockport Publishers Inc. p. 181. ISBN 9781592535415.
- Bauer, Margie (2005). The Embroiderer's Handbook. F+W Media. p. 143. ISBN 9780715320372.
- Webb, Mary (2006). Embroidery Stitches. Struick. p. 75. ISBN 9781770074224.
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