On Wed, 12 Jul 2017 11:18:53 -0700, Joy
wrote:

I have a three-bedroom, two bath house. I have carpet in the living
room and hallway. All the other floors have easy-to-clean vinyl
flooring. Naturally, whenever there's a hairball, it's on the carpet.
I found one in the hallway when I got up this morning.

I generally find them in the dark, in bare feet.