Concave grooming tool blade

FIG. 1 is a bottom view of the concave grooming tool blade of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view of the concave grooming tool blade, the left side being a mirror image thereof; and,

FIG. 5 is a perspective view thereof.

The broken lines and portions contained within broken lines are not claimed.

We claim the ornamental design for a concave grooming tool blade, as shown and described.

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