Related Clues:

• Baseball bat in the raw
• Wednesday mark
• Bonfire remnants
• Grill refuse
• Bonfire speck
• A grate build-up
• Close-grained wood
• It's a grate thing
• Science of plant life
• Remains in the tray
• Burnt residue
• Leaving after the barbecue
• Wednesday smudge
• Fireplace remnant
• Cigar end