In this day and age of small cameras, phones, glasses and hi-tech accessories always needed to be close at hand, the desire for small pouches or pockets to attach to the shoulder harness is greater than ever before.
Gossamer Gear have this great little item which has various attachment point options to suit most rucksacks harnesses. They would even work on a hip belt if required.
As you can see form the photos it will fit and iPhone 6 in a case, a small camera and standard glass case.
It is just the right size to not be bulky on the harness and get in the way, when putting the rucksack on or off.
The horizontal and vertical velcro strips give you differ mounting options.
Size: 15.5cm x 7cm x 3cm