Arrow keys or knobs to move. Knobs: When using the knobs, make sure the mouse is touching the knob, the mouse is down, and it touches the following sides: Left and right knob: Left side to go left. Right side to go right. Up and down knob: Area near bottom side and under right side to go up. Area near bottom side and under left side to go down. Arrow keys: To make a diagonal line, press a left/right arrow key, and then am up/down arrow key, and repeat. Don't go too fast, and don't hold the keys!
You can drag the pen to start in different places.
