Related Clues:

• Grate residue
• ____ tray
• Chimney sweep?
• Wednesday smudge?
• Remains in a tray
• Volcanic particle
• Smoking flick?
• __ Wednesday
• Tool handle wood
• Heap content
• Feature of many a 1970s rock concert
• Wood stove residue
• Tapped-off part
• Bonfire aftermath
• Sweep's heap