A cargo attachment bracket to be carried on an interior bed rail extending parallel to, and spaced down from, a top portion of a side of a pickup truck bed, comprising: a) a body having a front face, a rear face juxtaposed against the interior rail, and an opening extending between the front and rear face; b) a screw having a head portion, a shank portion extending through the opening between the front and rear face, and a lug for engagement within, and under an interior side portion of the rail for releasable attachment of the body to a chosen position along the length of the rail; c) an arm having a bracket end, and an opposite inwardly projecting end; d) an arm extension projecting from the unhinged end portion of the arm, configured together with the arm, and provided with selection and locking means for selection and lockably fixing the combined projection of the arm and the extension from the rail; and, e) a releasable cargo attachment end portion carried by the unattached end of the arm extension. The cargo is attached to the cargo end portion and is releasably held a selected projected length from the rail.