Premise: How to set up a chinchilla's cage<br>Choose the right cage. [substeps] Chinchilla cages must be well ventilated to keep the chinchilla cool, thus making metal wire mesh cages a good option. However it's of note that it's easier for the chinchilla to knock messes out of their cage and onto the floor with a wire cage.
Hypothesis: Chinchillas need air stirring in their cages.