Related Clues:

• Constant source of illumination in Murphy's pile?
• Hold tight, when sound of explosion engulfs motorway
• Vice ring left with party
• It's gripping
• Coal, primarily, perhaps Davy's vice
• Vice seen in cold light
• Pile of potatoes left in military station
• Many a light grip
• Cold light that stops one from driving?
• Device for holding things firmly
• Instrument for holding objects firmly
• He refuses to comment on parking -- press seen as anti-motorist
• Put in a vise
• Murphy's pile
• Woodworking device