Vacuum Holster

FIG. 1 is an upper perspective view of a vacuum holster embodying the new design; FIG. 2 is a lower perspective view thereof; FIG. 3 is a right view thereof, the left view being a mirror image thereof; FIG. 4 is a top view thereof; FIG. 5 is a bottom view thereof; FIG. 6 is a front view thereof; and, FIG. 7 is a back view thereof. The figures show broken lines that do not form any part of the claimed design. The broken lines immediately adjacent the solid line portions of the design form the boundary of the design, with the broken lines forming no part of the claimed design.