Related Clues:
- Eruption evidence
- Grate collection
- A smoker may flick it off
- Barbecue by-product
- Campout fallout
- Holy Wednesday forehead marker
- It buried Herculaneum
- Butt remains
- Briquette residue
- Old flames?
- Common tree
- Dusty remnant
- Incinerator product
- Eyjafjallajökull output
- Word repeated in 'Ring Around the Rosie'