Crossword Genius

Certain tack (7)

Ross

I believe the answer is:

hobnail

(Other definitions for hobnail that I've seen before include "One keeping shoes on" , "Stud on boot" , "Stud for boots" , "Protection for the sole of a heavy boot" , "Walk over roughly" .)

I've seen this clue in 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.