I rarely use pencils, except to lightly lay out a design for something. Because, like most lefties, writing/drawing with pencils gives me a bad case of the 'lefty smudge': a dark smear of pencil running down the side of my left pinkie, continuing up the side of my hand, and onto the cuff of my sleeve. Ugh. The smudge is similar when working with marker, but instead of calling it the 'lefty smudge', my name for the colorful smudge on my hand and arm is 'markeritis'. I have learned, over the…