Surely this will damage the spine...? Even hamsters have to have much bigger wheels than what most give them.. But they're a compromise because hamsters would travel massive distances in the wild every night which they can't in a cage even an insanely large one. But rabbits don't do that in the wild... So seems unnecessary? And potentially dangerous? Idk I'd never do this for my buns!
I think in the Instagram video (I can't view the Facebook one) that's a cat wheel