Sakura pioneered gel ink, presenting smooth crafting with vivid colors. A favourite between college students and experts. Above are my favorite techniques for creating the illusion of gradations in value applying superior distinction black ink on white paper. Look at thick and thins. Nib pens are perfect for this. https://inkpendrawingtechniques61582.estate-blog.com/35638677/an-unbiased-view-of-how-to-draw-with-ink-pens