This crazy formation that Derek Leonard runs as the Head Coach at Rochester (IL) High School is designed to get the ball to your best receiver. It is easier to get the ball in the hands of your best player if he is a quarterback or running back. To get the ball to a receiver takes some creativity at times.
This video is a part of his Glazier Drive Clinic Rochester Crazy Formations & Redzone Offense out of the Spread Offense, Including Empty Punt has more "Crazy" formations for you to consider using to catch the defense offguard.
Reasons he likes to use Crazy Formations
1) Surprising to opponents.
2) Fun for the players.
3) They provide ways to get the best player the ball. The hardest player to get the ball to is a receiver.
4) Punish teams for double teaming your best player.
5) Force the opponents to spend extra time in preparation and practice.
6) You can take what the defense gives you.
7) You can keep your offense the same and add these extra plays with only a little adaptation.