If you forget your backpack at home, you can always get your folks to fly it over in a chopper, because that’s totally normal.
If you ever want to travel the world and have a very tight budget, consider doing this – who knows if it will work, but it seems like an okay-ish play.
Often the US military needs to send soldiers to places that aren’t exactly “entry-friendly”. So they devised a contest to get the brightest young minds working on their problem, and from beneath all the riffraff came this awesome wall-climbing backpack. Click through to see it in action.