Quill Pen (Resident Evil 7)

The feather seems to be a cheap replica.

Image of Quill Pen
A cheap replica of an expensive quill pen.

This is one of the puzzle items of the "Happy Birthday" test concocted by Lucas. This pen belongs to the clockwork dummy sitting in the Dummy Room of the Testing Area. It can only be held by the dummy after it has had its missing Dummy Finger reattached.