Thanks for all the replies! I live in the UAE though and can't even get a hold of blankets his size so I don't even want to try looking for a sleezy haha.
I honestly might just leave him, his health is way too important for me to mess with, I was honestly just thinking about rubbing charcoal on his face maybe haha.
The Lord of the Rings, horses, nazgul, The Fellowship of the Ring - Wallpapersus.com (the horses are clearly bay here)
So yeah, thank you al for your support and suggestions :)