the rook moved because it wasn't stuck to your printbed sufficiently.

Without knowing a whole bunch of stuff nobody can say about your noise.

To get an answer we need - at least:
printer type, slicer program, print settings, pictures of the print.
Also what surface are you printing on, whatv are you using to make the print stick.

Nozzles can rub on prints, usually when printing overhangs as the tip tends to curl up and catch the nozzle.
Or if using a printer with dual nozzles the nozzle not in use and catch or rub.

But impossible to say without some actual information.

The keychain looks pretty basic. Nothing there to curl - so if it's catching then it'll most likely be the same as the rook. ie: the filamant is not sticking well and the edges are curling up.