Waist Fan

FIG. 1 is a bottom view thereof of a waist fan, showing my new design; FIG. 2 is a front view thereof; FIG. 3 is a left view thereof; FIG. 4 is a rear view thereof; FIG. 5 is a right side view thereof; FIG. 6 is a top side view thereof; FIG. 7 is a front perspective view thereof; and, FIG. 8 is a rear perspective view thereof. The dashed broken lines depict portions of the waist fan that form no part of the claim design.