Protected by the scrum cap (4)

I believe the answer is:

ears

(Other definitions for ears that I've seen before include "Heads of corn" , "Spikes (of cereals)" , "Shakespeare 'Friends, Romans, countrymen, lend me your . . . .'" , "One's hearing aids" , "Spikes of corn" .)

I've seen this clue in The 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.