Cargo restraining device

FIG. 1 is a perspective top view of a cargo restraining device in accordance with my design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side view, thereof;

FIG. 5 is a rear view, thereof;

FIG. 6 is a bottom plan view, thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a reduced, environmental perspective view with the broken line showing of a base, an object and an additional restraining device being for illlustrative purposes only and forming no part of the claimed design.