Why are medieval KNIGHT'S SHIELDS that SHAPE?

Why are medieval KNIGHT'S SHIELDS that SHAPE?

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Eternal Shield
29 Video Views·Aug 13, 2024

Why are medieval knight's shields that shape? Knight's shields are an incredibly iconic shape that is deeply rooted even in modern culture. Everybody knows that shape and it is found on numerous other objects, due to being the unmistakable shape of a knight's shield. Where did it come from? Why was it used? Why did other cultures use it?