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 front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The dot-dash broken lines represent boundaries of the claimed design and form no part of the claimed design. The broken lines depicting the remainder of the knife show portions that form no part of the claimed design.