Bound seam
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A bound seam has each of the raw edges of its seam allowances enclosed in a strip of fabric, lace or net 'binding' that has been folded in half lengthwise. An example of binding is double-fold bias tape. The binding's fold is wrapped around the raw edge of the seam allowance and is stitched, through all thicknesses, catching underside of binding in stitching. A variation of the bound seam is the Hong Kong seam.