I've attached a picture, I got this used backpack (Dana Design Arcflex Astraplane) and I'm trying to figure out the straps on this thing. I noticed there are two strap adjusters on the top.. are they redundant and I just use one? Or there's something I'm missing?

enter image description here

2 Answers 2


Ok, I think I figured it out, the guy before me did a weird thing so it confused me. But I think one is for the shoulder strap and the other for the lid of the bag. I included a pic, please let me know if someone thinks it goes differently. (The picture is looking down from the top)enter image description here

  • 2
    That seems most likely, especially if there's no where else to attach the lid.
    – ShemSeger
    Commented Jul 25, 2018 at 22:06
  • That's definitely it.
    – Gabriel
    Commented Jul 26, 2018 at 14:40

You would only want to use one of them at a time. With that said there are a couple of possibilities here,

  • There is another strap that you have missed that goes to the second point (this is the most likely option)
  • There was a strap that used to go there but was cut off.

I would double check the backpack for other straps.

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