Portion of a shoe

FIG. 1 is a perspective view of a portion of a shoe showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a perspective view of an alternative embodiment of a portion of a shoe showing my new design;

FIG. 7 is a side view of the portion of a shoe of FIG. 6;

FIG. 8 is a top view of the portion of a shoe of FIG. 6;

FIG. 9 is a front view of the portion of a shoe of FIG. 6; and,

FIG. 10 is a rear view of the portion of a shoe of FIG. 6.

The broken line showing of the eight generally-quadrilateral-shaped elements and the remainder of the shoe is for illustration purposes only and forms no part of the claimed design.