FIG. 1 is a perspective view of the front, top and right side of a mute according to a first embodiment showing my new design;
FIG. 2 is a perspective view of the rear, top and right side thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a right side view thereof;
FIG. 7 is a top plan view thereof;
FIG. 8 is a bottom view thereof;
FIG. 9 is a perspective view of the front, top and right side of a mute according to a second embodiment showing my new design;
FIG. 10 is a perspective view of the rear, top and right side thereof;
FIG. 11 is a front view thereof;
FIG. 12 is a rear view thereof;
FIG. 13 is a left side view thereof;
FIG. 14 is a right side view thereof;
FIG. 15 is a top plan view thereof;
FIG. 16 is a bottom view thereof;
FIG. 17 is a perspective view of the front, top and left side of a mute according to a third embodiment showing my new design;
FIG. 18 is a perspective view of the rear, top and right side thereof;
FIG. 19 is a front view thereof;
FIG. 20 is a rear view thereof;
FIG. 21 is a left side view thereof;
FIG. 22 is a right side view thereof;
FIG. 23 is a top plan view thereof;
FIG. 24 is a bottom view thereof;
FIG. 25 is a perspective view of the front, top and right side of a mute according to a fourth embodiment showing my new design;
FIG. 26 is a perspective view of the rear, top and right side thereof;
FIG. 27 is a front view thereof;
FIG. 28 is a rear view thereof;
FIG. 29 is a left side view thereof;
FIG. 30 is a right side view thereof;
FIG. 31 is a top plan view thereof; and,
FIG. 32 is a bottom view thereof.
The broken lines shown are included for the purpose of illustrating the unclaimed portions of a mute and form no part of the claimed design.