A decorative trim made by encasing a cord in a bias strip of fabric, then inserting it into a seam. Piping creates defined edges, adds color contrast, and provides a professional finish to cushions, garments, and accessories.
From 'pipe' referring to the tubular shape created when fabric is wrapped around cord, plus the suffix '-ing'. The decorative sewing technique emerged in the 18th century, initially used in upholstery before adoption in fashion.
Piping was originally a sign of wealth because it required extra fabric and skilled labor - Coco Chanel famously used contrasting piping on her suits to create clean lines that photographed beautifully. The technique crossed from menswear (where it outlined lapels) into women's fashion during the 1920s!
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