https://www.planetary.org/space-images/curiositys-turret-dust-removal-tool-drt
Curiosity's Turret: Dust Removal Tool (DRT) | The Planetary Society
Curiosity's DRT is two wire brushes on a rotating turntable.
dust removal toolcuriosityturretdrtplanetary
https://www.nasa.gov/image-article/first-use-of-mars-rover-curiositys-dust-removal-tool/
First Use of Mars Rover Curiosity's Dust Removal Tool - NASA
This image from the Mars Hand Lens Imager (MAHLI) on NASA's Mars rover Curiosity shows the patch of rock cleaned by the first use of the rover's Dust Removal...
mars rover curiositydust removal toolfirst use