Visual demonstration of the power of octopus ink
A man put octopus ink on his hands. The result: the ink did not wash off even after a week.
What is written with a pen cannot be cut out with an axe. And if it is written with octopus ink, it cannot be erased. Do not repeat the mistake of the author of the video, do not touch the ink of the cephalopods, which they use to confuse attacking predators.
