Knife sharpener

Description

FIG. 1 is a front perspective view of a knife sharpener, showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a front perspective view of the knife sharpener in a split state.

The broken lines in the drawings illustrate the portions of the knife sharpener, which form no part of the claimed design.

Claims

The ornamental design for a knife sharpener, as shown and described.