I have a question for you. My two cats have a thing with shoes. They will lay on them, lick them, stick their heads in them, and fight over them! Why do they do this? Is it because Mommy is addicted to buying shoes or what?
Maybe - but they don't really play with them. Even my tennis shoes with shoelaces. They don't mess with the laces, but will do all they can to get into my shoes (no small feat - I wear a size 6 1/2
Maybe they are responding to scents you are brining in on your shoes. After all, they probably can give your cats a good idea of where you've gone all day! Usually Ivo ignores my shoes, but when I go to visit a friend with 2 collies, she just loves sniffing them (but not my clothes) when I get home.