Related Clues:

• An instrument for gangsters to conceal
• Mouthpiece for musical instrument
• Ear, say, for a musical instrument
• Paper heart, perhaps
• Vital part of newspaper?
• Nothing published including leader of Guardian newspaper
• E.g. liver
• Newspaper, say, that often is stopped
• Brain possibly covered by major ganglia
• Herb's limited English useless for publication
• Medium; body part
• Producer of music newspaper, for example
• The heart, for example, of a music producer
• Ear, perhaps, for what's played in church
• Vital part of the body is twisted – groan!