Dirty Room Escape

When you come on a business trip to one of the remote provinces of the US, you could not think that the hotel you have settled into a dirty room. Not having to cross the threshold of the room, you find under your feet someone's belongings and trying to re-open the door to call the maid to clean. However, to my surprise, you find that the door of your room is firmly closed and unlock it, you can not. Look for the right things and solve the puzzle to find out how you now get out of the hotel.