I need some help, can any body tell me what a Daisy Chain is used for(no wise crack from OBG please) on the back of backpacks?

The only time I have ever seen something like that is many many years ago in the Air Force, they were on the insde of the parachute bag to hold the shrod lines for the chute.
_________________________
Some people try to turn back their odometers.
Not me, I want people to know "why" I look this way
I've traveled a long way and some of the roads weren't paved