The ornamental design for a golfputtertrainingattachment, as shown and described.
FIG. 1 is a right elevation view of a golf putter training attachment showing our new design, the opposite side being a mirror image of the shown;
FIG. 2 is a front elevation view thereof, the opposite side being a mirror image thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is an isometric view thereof;
FIG. 6 is a right elevation view of a second embodiment of the golf putter training attachment disclosed in FIG. 1, the opposite side being a mirror image thereof;
FIG. 7 is a front elevation view of the embodiment shown in FIG. 6;
FIG. 8 is a rear elevation view of the embodiment shown in FIG. 6;
FIG. 9 is a top plan view of the embodiment shown in FIG. 6; and,
FIG. 10 is an isometric view of the embodiment shown in FIG. 6.