Double hook

[0001] FIG. 1 is a first perspective view of a double hook showing our new design;

[0002] FIG. 2 is a second perspective view thereof;

[0003] FIG. 3 is a front elevation view thereof;

[0004] FIG. 4 is a rear elevation view thereof;

[0005] FIG. 5 is a left side elevation view thereof;

[0006] FIG. 6 is a right side elevation view thereof;

[0007] FIG. 7 is a top plan view thereof; and,

[0008] FIG. 8 is a bottom plan view thereof.

[0009] The broken lines shown in the drawings depict portions of the double hook that form no part of the claimed design.