Related Clues:

• Place for wallowing
• Sloppy digs
• Part of it may be felt
• Calligrapher's need
• Dirty digs
• Hog's pen
• It's fit for a pig
• Sword's superior, proverbially
• Pen with oink?
• Put on paper
• Pig's place
• Writing need
• Coop's neighbor, maybe
• Unkempt home
• Pilot product