Possible Clues:

• Discussion about a pair entering bar
• Source of beer about to be debated - some interest taken in it
• Thanks for order in part of pub
• Tie up the boat and gently knock back something, here?
• Go back and anchor Patrick where he can get a drink
• Opportunity to bug first drinking place
• Origin of many drafts
• Tie up ship just right around bar
• Time to get a round in concert -- find the bar
• Public bar