Here I have two videos I made on my YouTube channel. I’m doing an inked drawing of my curvy pin-up squirrel girl, CG.
This was drawn with my nib of choice, the Speedball 512 nib. It’s a bowl shaped nib that can’t give as varied a line as other nibs out there (like the Hunt 99 or 56), but the line still looks more organic than a fixed width pen (i.e. a marker or technical pen).