Drawing with your Eraser.
1:01
Animation Lessons from Aaron Blaise
21:10
Drawing with Sepia Powder and an Eraser
33:48
Drawing - The importance of sketchbooks
23:58
Drawing with white on black paper
21:22
Drawing portrait in charcoal.
13:45
Drawing with only a piece of charcoal, and maybe an eraser and blender (TUTORIAL)
1:41:32
Drawing in Charcoal Live Demonstration
19:15