Related Clues:

• It comes from your butt?
• Hard lumber
• Burning remnant
• Tree before or after a fire
• Fire signs
• Burnt log leftover
• Ember, in the end
• Powdery residue
• Some flakes
• Poker target
• Mt. St. Helens spew
• Guitar wood
• Combustion product
• A drop-off among smokers?
• Soot