an elastic material such as an acrylic nylon acrylic copolymer or the like with these or numerous other materials the inner flange 12 will be sufficiently resilient that the hook assembly 15 can be forcefully urged upwardly in the opening 19 with the bracket 10 in place over a closure 24 as is shown in fig2 of the drawings from the foregoing description it will be readily understood that the hook assembly 15 can be very simply constructed consisting of only the base plate 21 having its ratchet teeth 22 and having a hook member 20 extending therefrom while such an arrangement would be quite useable in accordance with the present invention numerous modifications will also be useable and may contribute to the operation of the invention thus considering the arrangement of the inner flange 12 it will be apparent that the center portion of the base place 21 need not have ratchet teeth thereon and a central area such as the area 25 can be utilized to assist in maintaining the hook assembly 15 in its proper orientation as a further improvement the hook assembly 15 may include a knob 26 extending from the base plate 21 through the opening 19 a knob such.