Related Clues:

• Masseur's supply
• Old master's work
• Salad topping
• Shell game?
• Valdez cargo
• It gets checked with a stick
• Sit for a picture
• Flex one's muscles, maybe
• See 123-Across
• Ask
• Present a problem
• Well-gotten gain?
• Cause of a rush
• Kind of standard
• Slippery substance