Making ink from walnut or pokeweed
Here are some links and videos on how to identify pokeweed and how to make it into an ink after it is fermented. Often vinegar is used as a mordant (a fixative for the dye) after fermentation, but vinegar is a natural result of fermentation too.
[link to www.soyouwanna.com
[link to www.greatstems.com
One could use some sweetener from Kentucky coffee bean trees, raisins, dried apples or persimmon to produce the yeast and vinegar too. All topics which I have previously mentioned in past postings.
A quill may be easily made by using a feather.
It will initially be purple but will dry and age into a brown.
Walnut ink doesn't require fermentation and produces a strong ink. It will stain hands for a long time. It can be used as a good way to produce a dark brown dye for clothing, a very useful property for stealth and for hunting.
[link to denevell_books.home.insightbb.com
It takes time to cook, 20 hours or so, so this takes planning and perhaps partnering with another tribe member to keep it going.