Inside of a pinch, I'd do that with saliva and my finger! Softer tones together with ink strains make a great contrast and will make your drawings a little more lifelike. For outlines that you might want to get quickly seen, use a medium pen width so that the https://codybtkzn.wssblogs.com/36665140/the-smart-trick-of-ink-pen-drawing-techniques-that-nobody-is-discussing