The ornamental design for a golftrainingdevice, as shown and described.
FIG. 1 is a front perspective view of a golf training device according to the disclosed embodiments;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a side view thereof; and,
FIG. 5 is an exploded perspective view thereof.
The broken away symbols separated and bound by a bracket, in the drawings, indicate the appearance of any portion of the article between the break lines forms no part of the claimed design.
The broken line showing is included for the purpose of illustrating and forms no part of the claimed design.