In case you have blurred your outlines, try to trace the first blurred line with a thick pen. You will probably be successful on the second try and you'll disguise the wobbly line just a little with the thicker pen. This system works by using the finest as well https://how-to-draw-with-ink-pens65432.blogofchange.com/35637197/a-review-of-how-to-draw-with-ink-pens