Here's my old post on how I use my tumbler in case anyone had missed it...
I converted an old dryer into a fur tumbler....
I toss in some corncob horse bedding like this...
https://www.theisens.com/products/premium-horse-bedding/36720037/2-4 cups is what I use and add more as it needs it, a bag lasts A LONG TIME!....
Here is a coon that was wet and muddy when I skinned it. I then hung it to dry overnight...
Up close...
Same coon after tumbling for about 8-10 min (you can put 5-6 coons in there at a time) ...
Closer up...