Related Clues:

• Think Tank manufacturers
• First banana skin turning up is a warning signal
• Employ sound censorship method
• Electronic sound
• Befog
• Mist over back of hill - difficulty climbing round
• Electronic noise signal
• Pop group; make unclear
• Obscure second book excluded from publisher's promotion
• Warning British prime minister to retire
• Obscure publicity from publisher falling short
• Page that covers swearing
• Swearing substitute would need black strip returned
• Confused impression given by incomplete advert
• Smear Tory cut short by runs