@LeviKornelsen

Oh, I understand (about Naginata, you can find the link I posted (Sailor Pen site). Both nibs good for mimic brush stroke.

↓　Fude-De-mannnen　is sailor's Fude nib fountainpen.
https://en.sailor.co.jp/product/11-0127/

I usually use for vertical writing.
Some people use for painting.