Write the next sentence in the following story.

How to use saddle soap
Read the manufacturer's directions.
Saddle soap can be used to clean horse tack and other leather products such as shoes and boots. However, saddle soap should not be used on every leather-based product.
There are a variety of different types of leather used in products. Different types require different cleaners and the only way to know whether saddle soap is okay is to consult the manufacturer's directions.