Strain relief

FIG. 1 is a top, front, left side perspective view of a strain relief according to our new design;

FIG. 2 is a left side elevation view thereof;

FIG. 3 top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof; and,

FIG. 7 is a front elevation view thereof.

The broken lines represent portions of the strain relief that form no part of the claimed design.

The strain relief 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.