If you try and take a cat apart to see how it works, the first thing you have on your hands is a nonworking cat.
I think all cats are wild. They only act tame if there's a saucer of milk in it for them. discussing feral cats in Last Chance to See (1991)
If you try and take a cat apart to see how it works, you end up with a non-working cat. Do not try this.