Here’s an affordable hog bristle brush by Princeton Brush Company. A long handle with firmer, interlocked bristles.
Angle, is also called a chisel. They are used for creating calligraphic brush strokes or letters varying from thick to thin. Chisel brushes are also useful for cutting in crisp broad areas when a sharp transition of colour is needed. For a special effect; try loading this brush half with one colour and half with another colour to create an interesting duo-tone colour pulls.