Or more specifically, coldblackncold has. I was surprised enough when Zeke found one under the refrigerator, but Mickey has discovered that Kitty Ring Toss results in fumbling hilarity.
This is probably very boring normal stuff to you pet owners, but for a surrogate like myself, every moment is new excitement, usually prefaced by a twinge of fear. Like when I found a piece of yarn wrapped around a shoe in my bedroom, through the hallway, around my gym bag, over the Chuck Norris Gym, and into the kitchen. I was looking for what item of clothing was destroyed until I realized he had just unraveled his ball of yarn.