Related Clues:

• Shade of paint knocked over and swallowed by rats, perhaps
• Like first letter in American book, bloody colourful
• Colour Zeiss introduced to sequence?
• Bright red colour
• Red paint put around to stop pests
• Bright red mark on body was a hindrance once
• Cartels (anag.)
• Clarets (anag.)
• Mark obstruction in red
• Mark many East Enders in red
• Lets slip about the vehicle and is very embarrassed
• Mark permit in red
• Immoral boy in group
• Red parasitic insects endlessly alighting on cat
• Red television socket that covers core of flex