Folding Knife

FIG. 1 is a perspective view of a folding knife, with the blade open, showing my new design; FIG. 2 is a perspective view thereof, taken from the opposite side of the folding knife from FIG. 1 ; FIG. 3 is a side elevational view thereof; FIG. 4 is a side elevational view thereof taken from the opposite side of the folding knife from FIG. 3 ; FIG. 5 is a top plan view thereof; FIG. 6 is a bottom plan view thereof; FIG. 7 is a rear elevational view thereof; and, FIG. 8 is a front elevational view thereof. Shading lines shown in the drawings are intended to represent the approximate three-dimensional contour of the design, and are not intended to indicate surface decoration. Features depicted in broken lines form no part of the claimed design.