then use a thick, soft lead drawing pencil, sharpened to a chisel point.
In order to use any tool effectively, you must learn to use it correctly.
There are no hard and fast rules for using a pencil, but there are some
guidelines that will improve your ability to use pencils. Figures 22 and
23 illustrate one good method for holding a pencil.
Figure 22. Horizontal strokes
Figure 23. Vertical strokes