Mapping the main shapes of your subject is a key first step when drawing complex crumpled or textures objects, such as paper bags, fabric or dented cans.
How to Draw - Real Action Pose Collection Vol. 3 Reference Book - Heroine Action Book - Anime Books
STOCK - Sneaky Ninja by LaLunatique
Paper Bag Drawing
phillipdvorak: One of my drawings - charcoal on paper (20 minute pose).
One of my figure drawings — charcoal on paper (20 minute pose).