FIG. 1 is a perspective view of a cord lock showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a front elevational view, the opposite side being a mirror image thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an environmental, perspective view thereof; and,

FIG. 7 is an environmental, top plan view thereof.

The broken lines in FIGS. 6 and 7 show structures illustrating the design in an environment of use and form no part of the claimed design.