Why should Escalator use brushes on the side?

Some people think that is it use for cleaning our shoes,but it is not,maybe it could help for clean shoes.
Generally, Escalator safety brush is used for keeping people away from the damage and accident of running steps. For example, people's shoe lace may get locked.

For a very long time experience in this product area, we are very proud to say that we are one of the best safety brush manufacturer in the world.