Because of the a hose and mild detergent, shampoo repeatedly inside same direction with a soft brush with long bristles.
Use rug shampoo if possess to it a person have douse the rug in cold water with a hose. Professional cleaners big event the glasses are cleaned without cases of the break point. http://seoulartacademy.co.kr/bbs/board.php?bo_table=online&wr_id=1012668