Decker Manufacturing #35 Grip-Fit The Work Horse Stiff BrushDecker Manufacturing #35 Grip Fit The Work Horse Stiff Brush Shedding Dried Mud Caked Dirt The Workhorse is a stiff synthetic rice root bristled brush with a full size handle. The bristle is trimmed with our original double contoured trim to provide more surface contact. The handle is made with our Grip Fit technology to give you just the right grip.