Erasing part of a freehand line
Whilst drawing a freehand line with the Freehand & Brush Tool, you can erase backwards along the line to correct a mistake.
 To erase part of 
 a freehand line
 To erase part of 
 a freehand line
1. While you are drawing a line, hold down Shift. The pencil reverses so the eraser is downwards.
2. Move the mouse (without releasing the mouse button) backwards along the line.
3. Release Shift to continue drawing.
Tip
 You just need to touch the line 
 to erase to the point where you touch.
 You just need to touch the line 
 to erase to the point where you touch.
Movie—click below (not working in this version)