The ornamental design for a bulbocavernosus muscletrainer for strengthening and toning the vaginal-sphincter muscle, as shown and described.
FIG. 1 is a front elevational view of a bulbocavernosus muscle trainer for
strengthening and toning the vaginal-sphincter muscle showing my new
design;
FIG. 2 is a right-side elevational view, the opposite side being a mirror
image; and,