Related Clues:
- Stack buildup
- Chimney-flue coating
- Blackener of Santa's suit
- Last to come out
- Spots on Santa
- Chimney sweep's sweepings
- Chimney lining
- Santa's suit covering, maybe
- Fine, black stuff
- Latest and greatest
- Film about a furnace
- Sweep's target, perhaps
- Chimney blackener
- Carbon black
- Having the most currency?