A device and method for securing cargo to vertical logistics posts on a side of a transportation vehicle. The device comprises a rail with a plurality of slots, an adjustable slide for adjusting the overall horizontal length of the device to fit between irregularly spaced gaps of parallel vertical logistics posts, and clips that are inserted and removably retained in corresponding receiving spaces of vertical logistics posts. Cargo is secured to the device through the slots on the rail. The device provides ease of relocation and adjustment for irregular gaps between vertical logistics posts.