The ornamental design for a drawstring restringing apparatus, as shown and described.
FIG. 1 is a right elevation view of a drawstring restringing apparatus showing my new design, the opposite side being a mirror image of the shown;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof, the opposite side being a mirror image of the shown;
FIG. 5 is an isometric view thereof; and,
FIG. 6 is an isometric view of the design in an alternate position and in condition of use, wherein the broken lines depict environmental subject matter only and form no part of the claimed design.
The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design.