FIG. 1 is a top perspective view of the first embodiment for an earplug showing my new design;
FIG. 2 is a bottom perspective view of the first embodiment for an earplug thereof;
FIG. 3 is a front view of the first embodiment for an earplug thereof;
FIG. 4 is a rear view of the first embodiment for an earplug thereof;
FIG. 5 is a left side view of the first embodiment for an earplug thereof;
FIG. 6 is a right side view of the first embodiment for an earplug thereof;
FIG. 7 is a top view of the first embodiment for an earplug thereof;
FIG. 8 is a bottom view of the first embodiment for an earplug thereof;
FIG. 9 is a top perspective view of the second embodiment for an earplug showing my new design;
FIG. 10 is a bottom perspective view of the second embodiment for an earplug thereof;
FIG. 11 is a front view of the second embodiment for an earplug thereof;
FIG. 12 is a rear view of the second embodiment for an earplug thereof;
FIG. 13 is a left side view of the second embodiment for an earplug thereof;
FIG. 14 is a right side view of the second embodiment for an earplug thereof;
FIG. 15 is a top view of the second embodiment for an earplug thereof;
FIG. 16 is a bottom view of the second embodiment for an earplug thereof;
FIG. 17 is a top perspective view of the third embodiment for an earplug showing my new design;
FIG. 18 is a bottom perspective view of the third embodiment for an earplug thereof;
FIG. 19 is a front view of the third embodiment for an earplug thereof;
FIG. 20 is a rear view of the third embodiment for an earplug thereof;
FIG. 21 is a left side view of the third embodiment for an earplug thereof;
FIG. 22 is a right side view of the third embodiment for an earplug thereof;
FIG. 23 is a top view of the third embodiment for an earplug thereof; and,
FIG. 24 is a bottom view of the third embodiment for an earplug thereof.
The broken lines shown represent portions of an earplug that form no part of the claimed design.