Related Clues:

• Baksheesh
• Game dog
• ''Warm'' or ''cold,'' e.g.
• See 38-Down
• Trackside offer
• Good lead
• Not stiff?
• 15 percent, often
• ''You're getting warmer,'' e.g.
• You can bet on it
• Solving aid
• Diner's prerogative
• It's left behind in good restaurants
• Line on a bill
• Trackside advice