Prone Golf Swing Mechanics Training Board

FIG. 1 is a perspective view of embodiment one of a prone golf swing mechanics training board for a left-handed user, showing my new design; FIG. 2 is a top plan view thereof; FIG. 3 is a bottom plan view thereof; FIG. 4 is a perspective view of embodiment two of a prone golf swing mechanics training board for a right-handed user, showing my new design; FIG. 5 is a top plan view thereof; FIG. 6 is a bottom plan view thereof; FIG. 7 is a perspective view of embodiment three of a prone golf swing mechanics training board, showing my new design; FIG. 8 is a top plan view thereof; and, FIG. 9 is a bottom plan view thereof. The broken lines showing the outer perimeter of the prone golf swing mechanics training board illustrate portions of the prone golf swing mechanics training board that form no part of the claimed design. The broken lines showing portions of the surface ornamentation form part of the claimed design.