Hook

FIG. 1 is a top, front, right side perspective view of a hook.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a right side elevation view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a rear elevation view thereof.

FIG. 6 is a top plan view thereof.

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a top, front, right side perspective view thereof, shown in an environment of use.

The claim is directed to the shaded surfaces. In FIGS. 1 - 7 , the broken lines immediately adjacent shaded surfaces illustrate the bounds of the claimed design and the broken lines within illustrate portions of a hook that form no part of the claimed design; the additional broken lines shown in FIG. 8 are for purposes of illustrating environment only and form no part thereof.