Varying Strain for Emphasis: Use various strain within one stroke to emphasise selected areas of your drawing. For example, implementing more tension At first of the line and slowly lightening it can make a fascinating tapering effect. Leave this to dry somewhat, and watch The 2 colours Mix together, https://mariomzflp.fireblogz.com/68544738/an-unbiased-view-of-how-to-draw-with-ink-pens