Related Clues:

• It's hard underneath for the turn of an unaspirated hard nut
• Underneath it's hard enough to make it a hard nut for the unaspirated
• Beat it and dial it at last
• That'll help you to keep a cool head
• That'll help you keep a cool head
• When so frozen below, it's difficult to crack the cockney back here
• Not so hot as a hard hat
• That'll help a Pole to keep a cool head
• Cold enough to turn to an unaspirated, hard case
• A cold, unaspirated, hard nut back there
• That will help you to keep a cool head
• That ought to enable one to keep a cool head
• How big the vessel turns 'ard when its frozen
• A Pole would have one to keep a cool head
• Gets so frozen inside that it's hard for the cockney to crack up