1770 whale ivory jagging wheel for shaping pie or pastry dough.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...l_fullsize.jpg
Previously:
Cutting cake using wine glasses - GIF
Rosette pastry mold - GIF
Cake cutting tools - GIFs and photos
Lattice pastry cutting roller - video
Dough circle cutter - GIF
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