Related Clues:

• Cause of a pocket stain, perhaps
• With 40-Down, friend you may have never met
• Briefcase item
• Sword's superior
• Write thing
• Signer's need
• Hogs' home
• Where you might find a long sentence?
• Mustang's place
• Fountain ___
• Place that's 'up the river'
• Inky tool
• Sword's superior?
• Check writer's need
• The O.K., e.g.