A resinous or plastic spray used to affix charcoal, pencil, or pastel images to the paper. Used lightly it protects finished art (or underdrawing) against smearing, smudging, or flaking.
A resinous or plastic spray used to affix charcoal, pencil, or pastel images to the paper. Used lightly it protects finished art (or underdrawing) against smearing, smudging, or flaking.