To protect your floor, we always recommend fitting chairs and tables with foam pads. However, we'd be lying if we said this was our favourite method. Our favourite method is the adorable little cat socks sold by Otaku Mode. Just look how cute these things are:
They perfectly protect your floor whilst also looking totally adorable.
They're not cheap, but they're definitely precious
And they come in 4 different styles:
They can be ordered online here