Washing Brush

FIG. 1 is a top-front-left perspective view of a washing brush showing my new design; FIG. 2 is a bottom-front-left perspective view thereof; FIG. 3 is a top-rear-right perspective view thereof; FIG. 4 is a bottom-rear-right perspective view thereof; FIG. 5 is a front elevational view thereof; FIG. 6 is a rear elevational view thereof; FIG. 7 is a top plan view thereof; FIG. 8 is a bottom plan view thereof; FIG. 9 is a left elevational view thereof; and, FIG. 10 is a right elevational view thereof. The broken lines show brush features that form no part of the claimed design.