return_appearance( self, looker ):
    # set description to self.desc to start
    desc = self.desc
    # loop over contents, only look at poseable items
    for item in self.contents:
        # check if they're poseable
        if inherits_from( item, "typeclasses.objects.Poseable" ):
            # Add the description to our desc
            desc += item.return_appearance(looker)
    desc += "\nExits:\n"
    for exit in room.exits:
        desc += exit.return_appearance(looker)
    return desc