This nifty suitcase appears to be pretty cool, and seem to be good to have with you all the time. When you need to use it, all you have to do is activate it at your feet, like so:
Then you wait for it to quickly unfold and show a pair of handgrips. You grab on to the handgrips and twist them, like so:
Then you bring it up to your chest, like so:
Then you stretch your arms outwards still holding the handgrips, exposing the arc reactor and automatically causing all the other parts to glide and snap into position all around your body, like so:
Then you wait for the headpiece to pivot and slide over your head and form a helmet, like so:
Finally, profit!