Earless dog used as bait in fights rescued - Orange County Register
essentially a dog that is confined and attacked by fight dogs that are training. Rescuers believe Phoenix, about 5 years old, was used as a bait dog – essentially a submissive dog that is confined and attacked by fight dogs-in-training. He was found as a

OK Go video goes straight to the dogs - Today's THV
OK Go is known for its complex one-continuous-take videos, like the one featuring a Rube Goldberg-like contraption big enough to fill an entire warehouse, but that was engineering, this required training, each dog had its own trainer giving it cues.

Earless bait dog finds home in Hollywood - Orange County Register
was used as a bait dog – essentially a submissive dog that is confined and attacked by fight dogs in training. He was rescued from the Downey shelter after a volunteer there asked for a day-long reprieve and sent out e-mails and Facebook status postings