Tying/hanging Phantom 2 onto backpack

[freefall101]

I've heard some people do this to save money on a case and I think a case is overkill for what I will be doing, and a backpack seems more appropriate. Any old backpack should do right, I'd just like to hang the Phantom 2 off the back on the outside of the backpack, does anyone else do this and can you provide photos? Thanks

 

[ElGuano]

Sure, you can just cross a short bungie across two of the arms and fix it to the backpacks's handle strap