Which seam is a plain seam finished with a zigzag to prevent unraveling?

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Multiple Choice

Which seam is a plain seam finished with a zigzag to prevent unraveling?

Explanation:
Finishing raw edges to prevent fraying is essential for durability. A zigzag stitch along the seam allowance, or an overedge finish, wraps and locks the edge so threads don’t unravel. This is exactly what an overedge (zigzag) seam does: it sews and finishes the edge in one step, preventing unraveling. A plain seam alone can fray if not finished, while running stitch and slip stitch serve other purposes (basting or invisible closing) and don’t provide edge protection.

Finishing raw edges to prevent fraying is essential for durability. A zigzag stitch along the seam allowance, or an overedge finish, wraps and locks the edge so threads don’t unravel. This is exactly what an overedge (zigzag) seam does: it sews and finishes the edge in one step, preventing unraveling. A plain seam alone can fray if not finished, while running stitch and slip stitch serve other purposes (basting or invisible closing) and don’t provide edge protection.

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