Before I watched this video a couple of days ago, I didn’t know about this disease, Megaesophagus:

https://i.ytimg.com/vi/qUcCZTnImCI/hqdefault.jpg

The owner in this video explained why their dog needs to stay in that box:

Note

https://www.youtube.com/watch?v=vAdk2JSC5Jk is gone.

If the dog is diagnosed and this is only treatment, that is pretty sad because that is how the dog has to eat. 20 minutes in that chair, every meal. But they all have loving owners.