1990 Honda Accord audible metal "click" upon brea

I ran into this before on an odysee, we found that it was a partially worn brake pad, could not find out what it was for the life of us, thought it was a shifting of the strut because of a worn mount, but it wasnt. Check the pads, even if they look pretty good, replace them anyway. Dont get the cheapest ones you can find either, get the middle quality, you know, not the cheapest, but not the most expensive, the one in the middle, let me know what happens