The ornamental design for golf accessory, as shown and described.
FIG. 1 is a top plan view of a golf accessory, showing our new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a front elevational view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a top perspective view thereof; and,
FIG. 8 is a bottom perspective view thereof.
The references to “top” and “bottom” herein depend on the selected orientation for the golf accessory when in use since the golf accessory is intended to be used in one orientation or the other, depending on the decision by the user.