One of the challenges of using a chest rig is to distribute the weight evenly. You don't want the thing intended to be helpful to encumber you. Even if the cumulative weight is not that big, pinning all the pouches in the center area will leave you leaning forward. At the same time, a heavier load will make the rig more difficult to adjust and can cause the straps to pull or dig into your shoulders, even if you balance them out.