Possible Clues:

• 'Not so hard, yet hard to make one tight with this (4,5)'
• *Ginger ale, for one
• Pop fly
• Riddle, part 3
• Pop
• Non-alcoholic beverage
• Eg, lemonade
• Don't frisk about with non-alcoholic beverage
• That stuff won't be hard
• None of the stuff there is hard