Snow Shovel Attachment

FIG. 1 is a front, left, and bottom perspective view of a snow shovel attachment in accordance with our new design; FIG. 2 is a rear, right, and top perspective view of the snow shovel attachment in accordance with our new design; FIG. 3 is a front elevational view of the snow shovel attachment in accordance with our new design; FIG. 4 is a rear elevational view of the snow shovel attachment in accordance with our new design; FIG. 5 is a top plan view of the snow shovel attachment in accordance with our new design; FIG. 6 is a bottom plan view of the snow shovel attachment in accordance with our new design; FIG. 7 is a right side elevational view of the snow shovel attachment in accordance with our new design; and, FIG. 8 is a left side elevational view of the snow shovel attachment in accordance with our new design. The broken lines in the drawings illustrate portions of the snow shovel attachment which form no part of the claimed design.