When I walked by this table, this is what I saw:
I took it and leaned it up against the table to show what position it is in when in use:
You all better come up with a good answer. I am not sure the one I got from the vendor is correct and really don't want to tell you what his explanation was, I would rather let you do it. So, scratch your heads, come up with an answer, and have a great day, you hear?