Related Clues:

• The instance of potassium for the vessel
• Might C ask for potassium, for instance
• Its tale is swiftly told, although it's upside down
• Might C ask for an example of potassium?
• Frat party vessel
• The tale is a swift one, although it is back to front
• The ship may be old although it will get back
• Perhaps relatively coniferous from cooper
• One is a little tubby
• Container for potassium, for instance
• The example of a barrel of potassium
• Container for the example of potassium
• Although one comes up with a swift tale, by the sound of it
• There's a swift tale of this although it's wrong
• It'll hold water although it's upside down