I claim, the ornamental design for an ear vibrator, as shown and described.
FIG. 1 shows a perspective view of an ear vibrator showing my new design;
FIG. 2 shows a top plan view thereof;
FIG. 3 shows a bottom plan view thereof;
FIG. 4 shows a side elevation view thereof;
FIG. 5 shows another side elevation view thereof;
FIG. 6 shows a rear elevation view thereof; and,
FIG. 7 shows a front elevation view thereof.
The broken lines shown in FIGS. 1-7 represent unclaimed subject matter, an form no part of the claimed design.
The bracketed broken away symbols shown in FIGS. 1, and 4-7 indicate that any portion of the article beyond what is shown forms no part of the claimed design.
The stippled shading of FIGS. 1-7 represents a surface contrast.
The parallel shade lines in FIGS. 1, and 4-7 show contour and not surface ornamentation.