The ornamental design for a clip-on tapered-arm air gun holster, as shown and described.
FIG. 1 is a front, perspective view of my ornamental design;
FIG. 2 is a front view of the ornamental design of FIG. 1;
FIG. 3 is a back view of the ornamental design of FIG. 1;
FIG. 4 is a left side view of the ornamental design of FIG. 1;
FIG. 5 is a right side view of the ornamental design of FIG. 1;
FIG. 6 is a top view of the ornamental design of FIG. 1;
FIG. 7 is a bottom view of the ornamental design of FIG. 1; and,
FIG. 8 is an environmental, perspective view of the ornamental design with an air gun attached thereto.
The break lines are shown in the drawing to indicate that no particular length is claimed. The air gun shown in FIG. 8 is for illustrative purposes only and forms no part of the claimed design.