What is claimed is an ornamental design for a metal toe cap halo ring for a shoe, as shown and described.
FIG. 1 is a perspective view of a shoe having a metal toe cap halo ring;
FIG. 2 is a right side view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is a perspective view of the metal toe cap halo ring; and,
FIG. 9 is a perspective view of another shoe with a metal toe cap halo ring.
The broken lines showing the shoe in FIG. 9 are for the purposes of illustrating environment and form no part of the claimed design, and the broken lines on the ring in FIG. 8 depict portions of the ring that form no part of the claimed design.