|Drawing Techniques: a Guide|
|Dry Media: Stump|
are cylindrical tools made of coils of soft, textured substances like leather,
felt, or paper. Artists rub their pointed ends over chalk, pastel, or charcoal
to blur the lines and to create shading. Sometimes they are used only for
local effects over small areas. At others, especially in chiaroscuro drawings,
they are used extensively, almost like a drawing medium in itself.