a cover member that engages a hook member formed into a precast , reinforced concrete block . the hook member assists in the lifting , transporting and manipulating of the precast , reinforced concrete block . the cover member is formed of a water resistant , flexible and resilient material . preferably , the cover member has a shape similar to a hat with the apex of the crown thereof being opened by way of an inwardly tapered aperture having at least one slit therein . the tapered aperture has an entrance portion dimensioned to accommodate the insertion of the head of the hook and an exit portion dimensioned to engage the shank of the hook . a slit of the aperture is dimensioned to allow the exit portion of the aperture to rigidly engage the shank of the hook as the precast , reinforced concrete block encounters movement .