Allow me to clarify a few things, Twilight.
You can see a number of characteristics highlighted here. The hair, particularly the bunched up part at the beginning of a hypothetical neck, but the rougher hair-ends at the back of the mane by comparison to the ones at the front are very logical as you wouldn’t ordinary see those yourself.
The misaligned connection at the underside of the neck depict a logical location where a theoretic neck lines up perfectly with the head (depicted in blue).
I don’t have a explanation for the nose. I just like the nose. Noses are hard…