The ornamental design of a leash with dual springs, as shown and described.
FIG. 1 is a front perspective view of an embodiment of a leash with dual springs, illustrating the novel design.
FIG. 2 illustrates the right side view thereof.
FIG. 3 illustrates the left side view thereof.
FIG. 4 illustrates the top view thereof.
FIG. 5 illustrates the bottom view thereof.
FIG. 6 illustrates the front view thereof; and,
FIG. 7 illustrates the rear view thereof.
The broken lines in the drawings depict unclaimed subject matter and form no part of the claimed design.
The leash with dual springs is shown with a symbolic break in its length. The appearance of any portion of the article between the break lines forms no part of the claimed design.