Wetness around the medium can make your ink stream with it, and on drying, it will leave some substantial and small contrasts. For outlines that you might want to become very easily noticeable, use a medium pen width so that the outlines jump out from the opposite lines. Hi https://ink-drawing-for-beginners69135.estate-blog.com/36860976/the-definitive-guide-to-ink-drawing-for-beginners