I do. I discovered the technique. I’m not making it easy for everyone to do this, though, lest every headline look ‘unique’.
Are you willing to give another useful hint, with the promise that I, too, will keep it confidential if I'm able to derive it? I should add that my intent is to use it very modestly, thus not drawing undue attention. For example, my titles would look like this:
I simply want to emphasize each day's topic by making it doubly-bold.