Related Clues:

• It may be tapped off
• Stuff at the end of a cigarette
• Volcanic burst
• Tray content
• Tip for smokers
• Montserrat output
• Burning residue
• Burnout result?
• Flicked fleck
• Highlighting choice
• Burning briquet, eventually
• Pompeii's covering
• Campsite residue
• Part of a burning cigar
• Sign of a fire