He said to them, Look on me, and do likewise: and, behold, when I come to the outermost part of the camp, it shall be that, as I do, so shall you do.
Now Gideon first of all was testing to make sure the angel-let me bring out an offering and he saw the miracle there. Then he put out the fleece and now here's the final thing, he slips down and God confirms that once more. And so there are actually three confirmations to the call of God to Gideon.