Related Clues:

• Changes, of course, and nails it
• Sent in to work for the mail?
• Takes a hammer to them as the yacht does
• Got the letters off for the appointments
• 'That makes a change, of course, but may prove expensive, by the sound of it (5)'
• Changes, of course, in what has to be paid, by the sound of it
• Shorts nails with big heads
• Sharp nails
• We hear the Inland Revenue people are in stitches
• At the call of duty one takes avoiding action ...
• Tire deflaters
• Carpet nails
• Changes course, duty being mentioned
• Hearing of duty, changes course
• Fixes duty in speech