Make mild strikes with chasing mallet. Move the lining tool alongside the contour; be cautious in not picking up the device. This will guarantee a permanent looking line. When the metal deforms or becomes domed in any means, roll it over and gently hammer the exterior by means of rawhide hammer to redesign the metal. Chasing may also form texture and shapes with use of stamps or any other engraving tools in order to mark the metal.