Crossword Genius

Mum, the agent has turned up the draught regulator (6)

Ross

I believe the answer is:

damper

I'm a little stuck... Click here to teach me more about this clue!

But I can't explain it at all! Could you help me understand?

(Other definitions for damper that I've seen before include "Piano string silencer" , "Control for fire - party-pooper" , "Negative influence - more moist" , "Control of stove - wet blanket" , "Control of air to fire" .)

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.