I think the cage is what you know; not really a prison, just what's familiar. Who remembers/knows how you ended up in there in the first place!

I'd make wheels for my cage, including a steering wheel and change it into a form of transportation. "Dogs on Wheels" :-)

Check this out: http://www.italian-greyhound.net/social.htm Looks like we'd make really good dogs with our backgrounds :-)