Hay Chix slow feeder hay nets control the amount of hay your horses and livestock are able to consume at any one time. Grazing in a more natural way, just the way the Good Lord intended. Get at least 94 percent out of each hay bale. Our hay nets are University Tested (Feeder Study) (Effect Study)and Veterinarian Approved so you can feel confident that you’re giving your horses the very best with a slow feed hay net from Hay Chix®. Made in the USA by Chix Like You.