What maintenance was required for a quill pen during writing?

Answer

Frequent trips to a penknife to re-sharpen the tip

The writer using a quill had to constantly maintain the fine point, which would quickly become dull or frayed, requiring shaving off a tiny sliver of feather with a penknife to restore the sharp writing edge.

What maintenance was required for a quill pen during writing?
inventionHistorypenwriting instrument