creaser

Creas"er (krs"r), n. 1. A tool, or a sewing-mashine attachment, for making lines or creases on leather or cloth, as guides to sew by. 2. A tool for making creases or beads, as in sheet iron, or for rounding small tubes. 3. (Bookbinding) Defn: A tool for making the band impression distinct on the back. Knight.

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