The ornamental design for a prayercarpet, as shown and described.
FIG. 1 is a perspective view of a first embodiment of a prayer carpet, showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a perspective view of a second embodiment of a prayer carpet, showing our new design;
FIG. 6 is a top plan view thereof;
FIG. 7 is a right side elevational view thereof; and,
FIG. 8 is a front elevational view.
The broken line representations of numbers in FIGS. 1, 2, 5 and 6 are shown as examples of the prayer carpet in alternate positions of use and form no part of the claimed design.