5 ms·

I'm reminded of how blacksmiths use instant coffee to stain damascus steel, at least the ones on YouTube

• peacebeard 8mo ago
  Does that last long? Commercial damascus is typically acid etched which seems like it would last better, but it wears off eventually too. [edit] oh, I guess coffee is acidic, so maybe it’s not that different. I was thinking of using it as a stain at first