Related Clues:

• Persistently chews on
• Irritates, with "at"
• Annoys, with ''at''
• Goes at like a beaver
• Chews like a squirrel
• Chews away (at)
• Breaks down slowly
• Mimics a mouse
• Emulates a beaver
• Works on at the table, in a way
• Works on, as a bone
• Wears away by nibbling
• Behaves like a beaver
• Eats (at)
• Chews like a mouse