Knee crutch

Description

FIG. 1 is a right side view of a knee crutch in accordance with the present design;

FIG. 2 is a front view thereof; and,

FIG. 3 is a top, right perspective view thereof.

The broken lines shown in the drawings illustrate portions of the knee crutch that form no part of the claimed design.

Claims

The ornamental design for a knee crutch, as shown and described.