Convenient organizers of all sorts are popular to keep items in order and protected. So you even can use them as iiner organizers – if you want to switch from one bag to another, or from bag to pockets. There is one little detail – if you store them into the bag, that’s the point of outer layer? Now take the old concept of “rat pack” and turn it inside out.
What we get? Panel with pockets and elastic straps. It can slip into your pocket or into the bags’ pockets and keep items in order. Bag or your clothing keeps them protected from elements and so on.
What’s the idea?
To hold items.
What’s the difference?
It is detachable / removable and permit shift between bags, packs, pockets.
Additional thought: user can not only adapt to any occasional bag and still take his belongings with him. User can evenly ditch his bag and stilll… you got the point.