If you can get the armrest off maybe an auto reupholstery place could redo themIJ Apple Auto Glass or Standard Auto Glass do some of that type of work. Was the door left open or did the coon get in some other wayIJ
I'd just let him run it that way and see how he likes 150 hours of harvesting with no place to put them fuzzy arms. Grin......Just teasing. I couldn't resist. Just having a lil fun.