Understanding how to shade properly helps us to offer a more three-dimensional look in our art. Values, or tones are just varying shades of grey and using a variety of different values is where you begin when you start shading.
Discover the qualities of Nitram Charcoal for sketching with
101 Ways to Draw: A Field Guide to Drawing Mediums and Techniques
Nitram Charcoals & Accessories
Basic Drawing Techniques for Shading and Design Art
Nitram 700301 Charcoal : Artists Charcoals : Arts
Sarah M. Gibson – Nitram Art Inc.
How Does Nitram Measure Up for Artists with Disabilities? – Nitram Art Inc.
An introduction to drawing media and techniques
How to Draw and Paint Series Book - Drawing: Faces - Sam Flax Atlanta
Set of 5 Fine Art Charcoal Sticks – Small, 6 mm