The ornamental design for a weighinghook, as shown and described.
FIG. 1 is a front perspective view of the weighing hook according to the present invention;
FIG. 2 is a rear perspective view of the weighing hook according to the present invention as shown in FIG. 1;
FIG. 3 is a front view of the weighing hook according to the present invention as shown in FIG. 1;
FIG. 4 is a rear view of the weighing hook according to the present invention as shown in FIG. 1;
FIG. 5 is a side view of the weighing hook according to the present invention as shown in FIG. 1;
FIG. 6 is a side view of the weighing hook according to the present invention as shown in FIG. 1, shown from the opposing side view as that shown in FIG. 5;
FIG. 7 is a top view of the weighing hook according to the present invention as shown in FIG. 1; and,
FIG. 8 is a bottom view of the weighing hook according to the present invention as shown in FIG. 1.