We claim the ornamental design for a leash, substantially as shown and described.
FIG. 1 is a left front perspective view of a leash showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a left front perspective view thereof in an alternate configuration;
FIG. 4 is a left front perspective view thereof in a second alternate configuration;
FIG. 5 is a front elevational view in a fully extended configuration;
FIG. 6 is a rear elevational view of FIG. 5; and,
FIG. 7 is a left side elevational view of FIG. 5, the right side elevational view being a mirror image thereof.
The structural features depicted by broken lines have been shown for the purpose of illustrating portions of the leash that form no part of the claimed design.
The cylindrical structure in FIGS. 3 and 4 has been shown for the purpose of illustrating an environmental feature that forms no part of the claimed design.
The thin solid lines in the drawing have been provided to illustrate flat and contoured surfaces and are not a claimed surface pattern.