A cat might be able to learn how to roll a joint, but it will never be able to actually DO it. Theres this little magic thing we got called opposable thumbs. Without them rolling a joint would prove a bit difficult.
I had a six toed cat once. I cant say i recall him picking anything up like he had a thumb, I just dont think it would work that way. Maybe if he dug into the object with his claws...
Well maybe if you had given your cat the proper amount of self-esteem by naming him BIGFOOT (like mine), he would have performed.
I heard from a friend that cats have a constant stream of mescaline in their blood. I dont believe him, because people would be harvesting cats for mescaline.
My cat has oppasable thumbs... Shes got 24 toes... She can hold things with her paws, turn a door knob, she even holds my finger. She also loves to stand on her 2 back legs for hours on end... If anyones cat can Roll a joint is mine... Its a shame Im crap at rolling so I cant teach her