Didn’t President Trump say that a portion of his ear was destroyed (gone forever)? Then it was not a “graze”.
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graze /grāz/ intransitive verb
To touch lightly in passing; brush.
To scrape or scratch slightly; abrade.
To scrape or touch something lightly in passing.
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The American Heritage® Dictionary of the English Language, 5th Edition
That would be the case if cartilage got swept away according to a plastic surgeon interviewed recently.
Trump included the word "pierced", I think. It could have been "notched". That's what I saw in one photo: his upper ear lobe looked like it had a hole in it - pierced, but the upper arc of the ear (helix) could have been missing too - notched.
That's not "grazed", that's a messy and deforming, and I'd say serious, wound - but fortunately not life-threatening unless it gets grossly infected.
BTW, the flag angel not only seemed to turn Trump's head; the angel seemed to tell the crowd not to panic. And, it seems the fireman was needed in heaven. Trump's new deformity was necessary to convince more people of the truth. The fireman's death was necessary to convince more people of reality. Alas, there's still hordes of people who are too thick-headed to believe what happened.