Related Clues:

• Mersey potable
• Harp output
• Kind of barrel
• Potent potable
• Pint contents, perhaps
• Pub quencher
• Saloon selection
• The 'A' of 38-Across
• Cream ___
• Lager kin
• See 40-Across
• Word in a Maugham title
• It has a head but no shoulders
• Draft pick?
• Hops to it?