Possible Clues:

• It may provide drink for artist in restaurant
• Holds the water or the wine
• Artist in restaurant gets less than a whole bottle of wine?
• Liquid container artist’s seen in restaurant
• Be concerned about a fine decanter
• Wide-necked bottle for the table
• Accountant joins neighbour¿s flyboys at end of June for jug of wine
• Country jug's citified cousin
• Church holding a service in which wine may be served
• Artist in eatery getting bottle