Related Clues:

• With 39-Across, Houston or Tulsa, popularly
• Production from a well
• Spindle-top spillage
• Friction decreaser
• Bath enhancement
• 'Texas tea'
• Type of paint
• Pan or can fluid
• Garage supply
• Cardamom or chickpea, e.g.
• Derrick flow
• Jed's discovery
• Midnight fuel
• Rembrandt's medium
• Some change it regularly