Related Clues:

• Unnecessary warning to a caretaker?
• Warning, prudence
• Care to get a police warning?
• One sitting in car in outskirts of Croydon gets warning
• Warning -- it's a mock auction
• Prudent wariness
• Beware first of customers moving to front in sale
• Something positively attractive about university showing discretion
• Warning — prudence
• Warn one that's amusing
• Thing to throw to the wind
• Type of caveat emptor for building auction
• Something to exercise
• Official warning
• Formal warning demanding prudence