Ah, right, the judges were called in, this just means they want to be certain the call by the ref or gyoji is the right call. There are 5 of them, all dressed in black. They are all former wrestlers, high ranked ones. They used to go by their judgment only, but now instant replay has the final say. They don't always reverse the call btw.

Just after a bout, you can see the direction the gyoji points his fan, west or east, in the direction of where the original wrestler was standing when they start the bout. This designates the winner.
We are what we repeatedly do - Aristotle