Write the next sentence in this paragraph:

How to clean a seat belt
Pull out the seat belt.
Vigorously pull the belt forward until it is stiff and doesn't move anymore. When this happens, the entire belt will be unspooled and much easier to reach.

Select from: [i] Run a plastic scraper along the inside of the belt. It's better to be careful than to damage the plastic.. [ii] If you are comfortable keeping your legs apart, pull out the seat belt and give it a good scrubbing with a hose set to medium. Using a nylon pull belt should provide you with some success for that purpose.. [iii] Note that you should only pull out the seat belt if your manual safety toggles off. Apply vinyl seat wax to the belt.. [iv] Place a clamp near the belt reel. Follow the belt strap upwards and locate the reel..
[iv]