What is piping used for in sewing?
Piping is a trim or edging formed by sewing a thin strip of folded fabric — typically bias binding — into a narrow tube and attaching it to the edge of a piece of fabric. It can also include cord to give it extra body. Piping is often used to define or reinforce the style lines of a garment.
Why piping is used on edge finishing?
It protects the edge from added wear and makes a decorative trim at the same time. The underside of piping is usually hidden under a facing or between a lining and the garment. … Neckline piping should be cut on the bias to shape around the curve without puckering.