Related Clues:

• Greases
• Reduces friction, in a way
• Met works
• Bathwater additives
• Artist's medium
• Manet medium
• Artist's media, perhaps
• Classical paintings
• Certain paintings
• Treats squeaks
• Massage aids
• Some gallery hangings
• Used ______
• Canola and peanut, e.g.
• Rembrandt's equipment