Twist-Erase III Mechanical Pencils feature a sturdy, well-balanced barrel that makes it the most popular Twist-Erase Pencil Protective tip design stabilizes lead to reduce lead breakage Latex-free ...

You might have, or can inexpensively buy, a mechanical pencil which has the feeder button on the side rather than on top, as usual. With the pencil in hand, [ptkrf] shows you the simple procedure ...