The ornamental design for a footwearsecuringdevice, as shown and described.
FIG. 1 is a top perspective view of a footwear securing device showing my new design;
FIG. 2 is a side elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a opposite side elevation view thereof;
FIG. 5 is a rear perspective view thereof; and,
FIG. 6 is a side elevation view thereof in use.
The small broken lines shown on the footwear securing device represent claimed stitching. The broken lines illustrating the human leg and shoe form no part of the claimed design