Many have sworn pure bristles makes good shaving as bristle tip tapers naturally. Set in stubby wood handle, non rusting shaving brushes wisk up a good foam with soft soap as release agent in Plaster of Paris mold making.
Bristles are well set within handle as we have not heard from barbers of bristles left on faces. For this reason shaving brush makes good glue applicator. In leathercraft for wetting vegetable tanned leather for stamping or application of fats and silicon oil to soften and lubricate leather fibres.
Anti static natural bristle is ideal in gold gilding as a non magnetic foil applicator. Stiff and firm to press set gold leaves over carvings and uneven surfaces.