The quills he launches can alter someone's personality.
He knows she has seen him when he finds her slumbering on the discarded quills the following night.
Since the school fees they levied were hardly enough to make a living, they often had to do additional work, e.g. the cutting of quills.
The quills were used in the training of other animals, such as keeping a calf from suckling after it had been weaned.
They cause damage in this method by thrashing about and scratching prey with their sharp quills.
Detailed accounts were kept, noting charges of $1.33 for a pewter ink stand and $.50 for 50 quills.
The judges (red-robed and coifed) are on the woolsacks in the centre, and behind them are the clerks (with quills and inkpots).
However, there are other possible answers (e.g. "both have inky quills").