product description:
1. Use of soft charcoal: generally used for sketching, sketching is fast and beautiful in artistic conception, and it has a good graininess when it comes in contact with paper. It is very good for over-rendering
2. Medium charcoal use: Medium charcoal works well when used as a manuscript, and the hardness is also good. You can use medium charcoal to achieve the effect of hard charcoal.
3. The use of hard charcoal: The color rendering and rigidity of hard charcoal can reach the level of 2H pencil or H pencil. It is used to draw sketches and describe in depth, which is very suitable for human facial features.