Related Clues:

• Run into each other, in short
• Safety device in circuit
• Rubbish engineers initially rejected as safety device
• Melt together -- put out the lights!
• __ box
• What to light on a stick of dynamite
• It might be found in a box in the basement
• Protection in a box
• Firecracker attachment
• Kix "Blow My ___"
• Combine temperature scale on exhaust
• You might blow it
• Cherry bomb's "stem"
• Part of a firecracker that is lit
• Stick in rooms away from foursomes