Related Clues:

• Kool stuff
• Baseball bat material
• Camel's remains
• It may be attached to an old butt
• Silent butler deposit
• Fire pit remnant
• Mt. St. Helens output
• Pompeii's undoing
• Incense residue
• Symbol of penance
• "... ___, dust to dust"
• Louisville Slugger wood, perhaps
• Pool-cue wood
• Silver-gray shade
• Volcano plume