Within a pinch, I'd make this happen with saliva and my finger! Softer tones together with ink traces generate an excellent contrast and is likely to make your drawings somewhat more lifelike. There are range of differing types of pens for pen and ink drawing. Standard ink pens encompass https://daltonnxcgj.blogdeazar.com/37220259/the-smart-trick-of-ink-drawing-for-beginners-that-no-one-is-discussing