creaser

CIDE DICTIONARY

creaser, n.

A tool, or a sewing-machine attachment, for making lines or creases on leather or cloth, as guides to sew by. [1913 Webster]
A tool for making creases or beads, as in sheet iron, or for rounding small tubes. [1913 Webster]
A tool for making the band impression distinct on the back. Knight. [1913 Webster]

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