Write the next sentence in the following story.

How to clean keens
Use a stiff bristle brush to remove lose dirt.
Scrub the outside of your keens, including the tread, to remove lose dirt and debris. Scrub them until all of the dirt and debris are removed.
Additionally, place them under cold, running water to further remove loose dirt and dust before you place them in the washing machine. Place a tablespoon (15 ml) of detergent into your washing machine.