Write the next sentence in the following story.

How to clean a viscose rug
Run your hand along the rug to get the direction of the nap.
The nap or pile is the natural direction that the rug's fibers run. Running your hand across the surface of the rug will give you an indication to how the rug's fibers lay.
Agitating the rug against the pile can loosen the rug's fibers and distort your rug. Push a carpet sweeper in the direction of the nap.