Abstract: The sawhorse accessory includes a an elongate attachment for removable installation atop a sawhorse rail. Each attachment includes a plurality of transverse V-shaped notches therein, with the notches each having a ninety degree included angle. Two sawhorses, each having one of the accessories attached thereto, are placed parallel to one another, with the notched accessories providing for the secure placement of elongate workpieces (corner molding, etc.) thereacross. Each of the workpieces has a right angle edge that fits securely within the notches of the sawhorse accessories. The sawhorse accessories hold the workpieces securely for sanding, painting, varnishing, staining, and the like, precluding turning of the workpieces due to pressure from a paintbrush or other tool during the work. The workpiece supports may be attached to the sawhorses by clamps, elastic bungee cords, or by bolting to the sawhorse rail.