The ornamental design for a retractableleash for a dog collar or harness, substantially as shown and described.
FIG. 1 is a top front perspective view of a retractable leash for a dog collar or harness, showing my new design in condition of use;
FIG. 2 is a left side view in an alternate condition of use, the right side thereof being a mirror-image;
FIG. 3 is a front elevation view of the retractable leash for a dog collar or harness;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is a top plan view, in an alternate condition of use; and,
FIG. 6 is a bottom view thereof.
In FIGS. 1, 2, 5 and 6, the even-length broken lines extending from the front aperture depict a lead that forms no part of the claimed design. In FIG. 1, the even-length broken lines beneath the claimed design depict a harness or collar and form no part of the claimed design. In FIGS. 1, 2, 3 and 6, the dash-dot-dash lines indicate boundaries of the claim.
The broken lines on the retractable leash (within the aperture and on the bottom surface) depict portions of the retractable leash for a dog collar or harness that form no part of the claimed design.