A liner with at least three substantially equally spaced attachment areas arranged longitudinally from the proximal to the distal end of the liner so as to permit relief areas between attachment areas and increase the radial thickness of the liner in the area of the liner inherently or through the addition of shims or other materials at the attachment areas. The liner and shims can be selected from a kit of different shaped liners and shims. Methods for making such a liner or liners for a kit. A method for iteratively attaching shims to the liner to prevent substantial movement of a limb's skeletal structure when the liner is worn with a socket.