I claim the ornamental design for a brush with wave-shaped bristles, as shown and described.
FIG. 1 is a front side elevational view of a first embodiment of my new design of a brush with wave-shaped bristles, the rear side elevational view being identical thereto.
FIG. 2 is a top plan view thereof.
FIG. 3 is a right side elevational view thereof, the left side elevational view being identical thereto.
FIG. 4 is a front side elevational view of a second embodiment of my new design of a brush with wave-shaped bristles, the rear side elevational view being identical thereto.
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a right side elevational view thereof, the left side elevational view being identical thereto.
The broken lines are included to show environmental structure and form no part of the claimed design.