Escalator Brushes also call “Deflector brush” or “Skirt Brush” , they are install on the sides of escalators and moving walkways to keep people from standing too close to the edges. Loose, low-hanging clothing, shoelaces, soft-soled shoes, and other such items are at risk for becoming caught in the moving track or moving stairs. So these brushes are design to provide a gentle reminder for people to stand at a safe distance from the moving edges.
It is normally appear in the airport, metro, and shopping mall,etc.