FIG. 1 is a perspective view showing our new design;
FIG. 2 is a front elevational view of the holder of FIG. 1;
FIG. 3 is a top plan view of the holder of FIG. 1;
FIG. 4 is a left side elevational view of the holder of FIG. 1, the right side elevational view being a mirror image thereof;
FIG. 5 is a bottom plan view of the holder of FIG. 1;
FIG. 6 is a rear elevational view of the holder of FIG. 1; and,
FIG. 7 is a side perspective view of the holder of FIG. 1, the additional holders depicted by means of broken lines being shown for illustrative purposes only and forming no part of the claimed design.