Related Clues:

• Emulate rodents
• Emulate rats
• Eat steadily; artist
• Have chips, say
• Chew up pasty with a tiny bit of gravy
• Work at with one's teeth
• Work (on), as 9-Down
• Champ, from German city one knocked out
• Scream he produced, almost stabbed by knight
• Behave like a beaver
• Painter of 'The Scream'
• Delivered and not in distress
• Chew on, as a beaver
• Work on a bone, like a dog
• Do what a beaver does