Crossword Genius

Attachment to a bit (4)

Ross

I believe the answer is:

rein

(Other definitions for rein that I've seen before include "Horse controller" , "Leather used for control in horse-riding" , "Horse's steering strap" , "Harness item" , "Controlling strap" .)

I've seen this clue in The New York Times.
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.