Related Clues:

• One-time baby duster
• Bit of surveillance evidence
• Marathon terminus
• Soapstone, say
• Magnetic medium
• Scotch __
• Pool-player's powder
• Reel-to-reel medium
• Locker room sprinkle
• Glasses fastener for a nerd costume
• Soapstone, e.g.
• Baby powder base
• Powder
• Anti-rash agent
• French chalk mineral