Control straps (5)

I believe the answer is:

reins

(Other definitions for reins that I've seen before include "Power to direct and control" , "Rider's straps" , "Harnesses" , "They're used to control" , "Checks" .)

I've seen this clue in The Times and the Penny Press.

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.