Related Clues:

• Help wanted announcement?
• It may be slapped
• Call letters?
• It's covered by a cap
• Exec's note
• Castaway's note
• -
• Shorthand taker, for short
• Word with sock or jerk
• Spot for a cap
• Help for a dictator?
• Pool member
• Certain joint
• Patella's joint
• Office correspondence