The ornamental design for a robehook, as shown and described herein.
FIG. 1 is a perspective view of the robe hook of the invention;
FIG. 2 is a front view of the robe hook shown in FIG. 1;
FIG. 3 is a right side view of the robe hook shown in FIG. 1;
FIG. 4 is a left side view of the robe hook shown in FIG. 1;
FIG. 5 is a rear view of the robe hook shown in FIG. 1;
FIG. 6 is a top view of the robe hook shown in FIG. 1; and,
FIG. 7 is a bottom view of the robe hook shown in FIG. 1.
Surface markings are provided to illustrate the shape of the design with greater clarity but do not indicate the use of any specific type of surface material. The ornamental design which is claimed is shown in solid lines in the drawings. The broken lines illustrate portions of the robe hook which form no part of the claimed design.