Layer Masks Explained: The One Skill That Separates Good Photoshop Work From Great
I once handed a client a revised composite only to hear, “Can we go back to what it looked like before you erased that part?” The problem was that I had, in fact, erased it. Gone. Pixels deleted with the Eraser tool like it was 2003. I spent 45 minutes reconstructing work that would have taken ten seconds to undo if I’d just used a layer mask. That was early in my agency days, and I never made that mistake again.