<https://off-grid.info/blog/how-to-build-diy-pvc-self-feeding-chicken-feeder/#webpage>
<http://schema.org/description>
"This \"self-feeding\" chicken feeder is a deceptively simple DIY project which can be created in a few hours. It doesn't require advanced skills or any tools that are not readily available."
<https://off-grid.info/blog/how-to-build-diy-pvc-self-feeding-chicken-feeder/>