The ornamental design for a "swing training golf ball", as shown and described.
FIG. 1 is a front view of a swing training golf ball showing my new design,
in accordance with a first embodiment of the present invention;
FIG. 2 is a front view of a swing training golf ball showing my new design,
in accordance with a second embodiment of the present invention, shown
with representative letters and numbers represented by broken lines to
indicate that these numbers and letters are not a part of this embodiment
of the invention; and,
FIG. 3 is a front view of a swing training golf ball showing my new design,
in accordance with a third embodiment of the present invention.
The broken line showing of golf ball dimples in FIGS. 1-3 is for
illustrative purposes only and forms no part of the claimed design.
The opposite side of each of the embodiments is unornamented.