The book Animal stool crochet part 3 contains the complete descriptions to crochet 7 fantastic animal crutch covers. In the book several variants per animal are described so that you can vary nicely with the materials.

The animals are made as a cover that can later go around the stool. This way the covers can be changed or washed.

Start right away? You can find complete package of the pig here.
You can find the loose stools here.