Tools, typically made of polyester, polyurethane, vegetable cellulose or other porous material, used as a mode of controlled paint application. Due to their absorbant and malleable nature, these tools create varied results depending on the viscocity of paint used and the pressure applied by the user. Specifically utilized to produce a range of organic paint effects and subtle color variations, as well as to smooth and blend visible brush strokes. Also commonly utilized as effective tools for paint cleanup.