Most of the tripod and camera weight hangs from the shoulder harness. The shock cord is really just holding up the legs to stabilize and keep them from swinging around while you are moving. It attaches horizontally across the lower side of the bag and is not adjustable. I (Jerry Dodrill) have been just lifting up the tripod and tucking in the legs, then clipping in the upper tripod loop and adjusting the straps to carry comfortably. If the legs are extended less you can tuck them in while the straps are clipped in. When not in use the straps tuck into the stretch pockets located on the shoulder straps, so they are always at the ready but not in your way. The straps were designed to work with gloves on and hold a lot of weight. I've been using them while carrying my big Gitzo tripod, RRS head, Sidekick, and 400mm f2.8 lens, which is about 23 pounds! (Unfortunately this lens doesn't fit in the bag). With a bigger lens like 70-200mm, the camera counter-balances the tripod legs and the shock cord isn't as necessary. This is a different way to work in the field. You can even keep the straps attached and keep the camera/tripod tethered to you when working in extreme wind or on uneven surfaces.
You can also use these as Camera Support Straps.
One of the challenges was coming up with a universal strap for clipping in to the tripod. Our strap will fit *most* tripods. You may find a better way to make an attachment point to clip in to your specific tripod model. We trust you will get creative and find your own way to use and customize the pack to suit your specific needs.