FIG. 1 is a rear perspective view of an earplug in accordance with my new design, showing a fingertip insertion area with stem support splines of an earplug shell in context with an insertion stem;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a side elevation view thereof, all other side views displaying the same image thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a rear perspective view of only the earplug shell portion of FIG. 1, shown without a stem;

FIG. 7 is a rear elevation view of the earplug shell portion of FIG. 6; and,

FIG. 8 is a median cross-sectional side view of the earplug shell portion of FIG. 7 taken at the location and direction shown in FIG. 7.

The broken lines shown in the drawings are only provided to illustrate the environment, context, and/or boundary of the design, and form no part of the claimed design.