The ornamental design for a weightedgolf-training hat, as shown and described.
FIG. 1 is a front elevational view of the invention;
FIG. 2 is a side elevational view of the invention, the other side view being a mirror image except for disclaimed elements shown in broken lines as described below;
FIG. 3 is a top plan view of the invention; and,
FIG. 4 is a back elevational view of the invention.
The graphics and lettering shown in broken lines on the front of the hat above the bill form no part of the claimed design. The broken lines just inside of the outer edge of the pockets on the side of the hat represent environmental structure that forms no part of the claimed design.