Related Clues:

• Gastric juices, e.g.
• Certain red wine, informally
• The quicker picker-upper
• Vehicle for hire
• Durer supplies
• Litmus test materials
• Ride uptown, perhaps
• It's hailed in Manhattan
• You might get one by raising your hand
• What a hack drives
• City hail?
• Ride that's hailed
• Calloway of "The Blues Brothers"
• Calloway of 'The Blues Brothers'
• TV game show, 'Cash --'