It might be worth a phone call to your local pet rescue centre to see if they've got any use for your pillows; many of them can make use of any form of bedding materials.
Feathers mixed with vegetable waste compost quite quickly and don't smell any worse than normal compost. I once did experiments on this very subject for a chicken megafarm. 10:1 by weight, vegetable matter:feathers should work.
It might be worth a phone call to your local pet rescue centre to see if they've got any use for your pillows; many of them can make use of any form of bedding materials.
Sorry, we can't find any related questions. Try using the search bar at the top of the page to search for some keywords, or choose a topic and submit your own question.