US D462917 S1
FIG. 1 is a front and right side perspective view of a whistle mouth showing my new design;
FIG. 2 is a right side elevation view thereof, the left side being a mirror image thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevation thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a back elevation view thereof.
The portions of the drawings shown in broken lines indicate surrounding structure which does not form part of the design.