Link?
https://www.youtube.com/watch?feature=endscreen&v=ymu_ffwYZbU&NR=1
Oops - sorry about that! Please note that he is probably NOT a Freeper. “I don’t keep any weapons, or any sharp objects in my pack...” To be fair, he makes a good point as he goes through airport security and various building security a lot.
BUT - a lot of good ideas, and GREAT ideas on keeping it all organized. Not like “hmmm - I KNOW it is in this pack of junk SOMEWHERE!!” me.