FIG. 1 is a perspective view of a portion of a paint brush according to the present invention;
FIG. 2 is a reduced side elevational view thereof;
FIG. 3 is a reduced rear elevational view thereof;
FIG. 4 is a reduced front elevational view thereof;
FIG. 5 is a reduced top plan view thereof; and,
FIG. 6 is a reduced bottom plan view thereof.
The structure shown in broken lines forms no part of the claimed design.