Depending on the card that you use you can obtain various effects.
For a detailed and precise drawing shows the smooth paper, if instead the grainy effect is what you will get is fine textured paper.
When the pencils are used with great sweetness, the sign you can cancel easily, but when the signs are stronger stain and leave
indentations on the paper very difficult to cover; It is therefore important to determine the basic design before you start coloring.