FIG. 1 is a perspective view of a strap retainer showing my new design, as seen from the top thereof;
FIG. 2 is a perspective view of the strap retainer as seen from the bottom thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a side elevational view thereof;
FIG. 5 is an end elevational view thereof; and
FIG. 6 is a bottom plan view thereof.