Knife

FIG. 1 is a rear perspective view of a knife, showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The dot-dash broken line represents a boundary of the claimed design and forms no part of the claimed design. The broken lines depicting the remainder of the knife show features that form no part of the claimed design.