Bottle brush

FIG. 1 is an upper perspective view of a bottle brush.

FIG. 2 is a lower perspective thereof.

FIG. 3 is a front view thereof.

FIG. 4 is a left side view of FIG. 3 .

FIG. 5 is a right side view of FIG. 3 .

FIG. 6 is a rear view of FIG. 3 .

FIG. 7 is a top end view thereof; and,

FIG. 8 is a bottom end view thereof.

The broken lines in the figures depict environmental subject matter only and form no part of the claimed design.