I've always been apprehensive about this. How does it work? I see the "cheez wiz" looking can thingy that they sell to spray into the kong. How does it stay inside? I am worried anything semi solid or softer will get stuck in her fur. I bought one Greenie before when she was younger, and it got stuck in her hair while she was trying to chew it. I threw it away and never got another, not even knowing why they are bad. (Why are they anyway, just out of curiousity?)
Not to mention, Kong's are expensive, that's why I've never bought one. $10 bucks for a piece of rubber. Ok they are indestructable I know, but still...
(really I shouldn't talk, why I keep buying $20 outfits for her that she doesn't wear I'll never know, AND when I make clothes too!)
