For filing and sawing purposes, it is best to clamp the material in a vise. To prevent unsightly imprints from the vise jaws, you can, if necessary, clamp a piece of wood or similar item between the work piece and the vise. ###>Pour éviter les empreintes de mâchoires, placez (si besoin est) un morceau de bois entre la pièce à usiner et les mâchoires.