A darkish liquid ejected for defense by most cephalopods, including the octopus and squid. Ink is made of hugely concentrated melanin. Make sure to only pull or drag a nib to produce marks; pushing will bring about splatters and ruin your function. Also, a slight modify in strain will https://how-to-draw-with-ink-pens25702.aioblogs.com/89366529/not-known-facts-about-how-to-draw-with-ink-pens