Earplug

FIG. 1 is a perspective view of an earplug showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is an elevation view thereof, the opposite side being a mirror image; and,

FIG. 4 is a bottom plan view thereof.

The broken lines shown in the drawings are for environmental purposes only and form no part of the claimed design.

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