Dee Dee adapts pretty quickly to new situations. So when we got a new litter box, she just used it no problem. Lucky...not so much. He decided to make his own litter boxes throughout the condo. So we needed to lock Lucky in the bathroom with the litter box, food, toys, etc. But we couldn't lock Dee OUT of the bathroom, so she had to join him. We blocked the cat door 'cause Dee is pretty smart and has broken out of that before, (even when it's locked on both sides). This is what we came home to:
She had to:
-move a box of litter (about 10 pounds left in there)
-move her food bowl
-chew through the duct tape
-squeeze through the hole filled with blankets
-break through the locked cat door
All this without claws.
Thankfully Lucky manned up, and we have not needed to try any more lock-ins.
Don't mess with Dee Dee.