FIG. 1 is a left side elevational view of an element of a shoe showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof; and,

FIG. 4 is a top plan view thereof.

The broken line showing of a shoe upper and sole in FIGS. 1-4 is environmental only and forms no part of the claimed design.