Ponytail plug-in

Description

FIG. 1 is a perspective view of a ponytail plug-in, showing my new design;

FIG. 2 is a back view of my new design;

FIG. 3 is a front view of my new design; and,

FIG. 4 is a top view of my new design; the bottom view is the same.

Claims

The ornamental design for ponytail plug-in, as shown and described.