I remember trying a home made cardboard one that worked pretty well. Make it just big enough for him to stop messing with it.
I found this link with some suggestions while trying to find a picture or video https://pangovet.com/pet-lifestyle/cats/diy-cat-cone-collars/ they make a paper plate one which is the same idea. Might be a good place for inspiration.
Payday. Extra expenses keep sprouting like a mother fucker right now.
That and I'm eager to get Xmas shopping done and shit paid up.