Angle the bottom out a little, hook the tabs that are on the top edge. Since neither the Idesk nor the butt are really square, it won't fit quite right. The tabs underneith won't ever be closeable, but the side tabs should be. Hank uses a mallet for this delicate operation. All the restraint tabs should now be closeable.
Casters slide off and go in the little compartment.
Put shipping labels on everywhere. The glasses are very fragile and should be packed in their respective containers. The batteries need to pulled out of the remote for shipping.