The unprotected chest chest is locked with a weird lock.
It has sockets named ears, eyes, nose and mouth.
Have you found any beads?
Search the room. You have to find all six beads.
Check the hint for each bead.
This bead is attached to the strange scroll
Take the pocket watch from the bookshelf, bottom shelf behind the magazines. Look at it and you find the green bead.
Try to get the impressive desk open.
Now, you just need to put them into correct places. Did you read the scroll?
After applying the ink, the colors in the text will tell you what bead to put where.