Related Clues:

• They're kept behind bars
• Some pop selections
• Boston pops
• Coke and Pepsi
• Fountain output
• They're found in fountains
• Some come from fountains
• Some mixers
• Fountain fare
• Round at a snack bar
• Tonics, to some
• Fountain selections
• They're effervescent
• Malt-shop orders
• Parlor drinks