You put the middle row the opposite way so the middle row will not be facing you or the two rows on the side will be turn the opposite way.
You take a rubber band and place on the first peg and put it on the third peg and keep on repeating.
When your at the end of your loom the progress should look like this but mine is not finish yet.
Here's something to help you when you turn your loom around the rubber bands that are place should look like this.
At the end of your loom place a cap band
Now you start hooking you just hook it like a single so this should be easy.
Just in case I added this photo to show it should look like
On your last band you bring the band on the last peg so don't do it like a single any more.