Hog Bristle filberts size 2, 4 6 or 1, 3 ,5. I use Royal Vienna series but any good hog bristle brush will do
Royal Sabletek series 95510 sizes 2, 4, 6, 8 10, 14, 18. (various sizes)
Series 95510 size 24 or 26 or 28 large flat (at least 3/4” wide)
A 2 inch chip brush from hardware store. (cheap Chinese bristle paintbrush)
I move back and forth between the sable flats and the bristle filberts. I like the sable flats in the shadowed areas when I want quiet passages of paint and I like the bristle filberts in the light areas so that I can add texture in the light.