In the pinch, I would try this with saliva and my finger! Softer tones alongside ink traces produce a great distinction and could make your drawings somewhat more lifelike. Stippling for Subtle Gradients: Stippling entails creating tiny dots with your pen. For the gradient effect, area the dots nearer https://ink-pen-drawing-technique40493.blogitright.com/37175493/how-much-you-need-to-expect-you-ll-pay-for-a-good-how-to-draw-with-ink-pens