Mike Boyd is started a lecturing job, and he wanted to teach himself how to draw dotted lines on a chalkboard. He learned in just six minutes. The trick is pressing the piece of chalk at an angle so it skips across the board.
Mike Boyd is started a lecturing job, and he wanted to teach himself how to draw dotted lines on a chalkboard. He learned in just six minutes. The trick is pressing the piece of chalk at an angle so it skips across the board.