Related Clues:

• Sovereign that will keep one going straight
• Common bookbag item
• Measurement tool
• Manager left in regret before start of relegation
• One who holds sway and effects government
• Despot perhaps that should go straight
• It helps keep things straight
• Something made to measure for emperor
• Yardstick, e.g
• Item in a school desk
• Despot, for instance
• Leader — line-drawing aid
• Czar or kaiser
• Straight schoolbag item
• King perhaps left after game with the Queen