The ornamental design for a flexiblepaverrestraint, as shown and described.
FIG. 1 is a top perspective view of a flexible paver restraint showing my new design;
FIG. 2 is a front elevation thereof;
FIG. 3 is a rear elevation thereof;
FIG. 4 is a left side elevation thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a top plan view of the flexible paver restraint shown in a curved configuration.
The flexible paver restraint is shown with a symbolic break in its length. The appearance of any portion of the flexible paver restraint between the break lines forms no part of the claimed design.