Honestly had enough of these stockings badge.
Locate the locked room named "022" in your room navigator by searching owner:Santa_Claus2018 in the search bar.
You may need to click the button highlighted in black below to expand your list of results.
Alternatively, you can use the room link above.
Next, you must input the password upsidedownpug to enter the room.
You will receive your badge upon entering the room!