FIG. 1 is a rear perspective view of the ornamental design for a pocket abrasive sharpener of the invention with the pull-out abrasive rod in a stored position;
FIG. 2 is a left end elevational view, of the ornamental design for a pocket abrasive sharpener of FIG. 1;
FIG. 3 is a front elevational view of the ornamental design for a pocket abrasive sharpener of FIG. 1;
FIG. 4 is a right end elevational view of the ornamental design for an abrasive sharpener of FIG. 1;
FIG. 5 is a front elevation view of the ornamental design for a pocket abrasive sharpener of FIG. 1;
FIG. 6 is a top plan view of the ornamental design for a pocket abrasive sharpener of FIG. 1;
FIG. 7 is a bottom plan view of the ornamental design for a pocket abrasive sharpener of FIG. 1;
FIG. 8 is a right end elevational view of the ornamental design for a pocket abrasive sharpener of FIG. 1 with the pull-out abrasive rod in an extended external position; and,
FIG. 9 is a front elevational view of the ornamental design for a pocket abrasive sharpener of FIG. 8.