You were being sold on auction, a literal auction, to the highest bidder. A collar was around your neck and a muzzle over your face, keeping you quiet, and you were tied with a rope

Bruce: "So, what exactly are we looking for in a pet?"

Jason: "One that will stay out of the way and be silent."

Damian: "I want a pet that will do everything I say without question, one that won't cause me trouble."

Dick: "A pet that's cute and cuddly!"

You thrashed around, trying to escape