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The ornamental design for a tongue cleaner, as shown. |
FIG. 1 is a perspective view of a tongue cleaner showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a cross-sectional view taken on line 3--3 of FIG. 2;
FIG. 4 is a side elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a bottom plan view thereof. as
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