Petrol Shaving Brush (Pure Bristle). Elegantly shaped, tall and slim, CARL, made of matt plastics, appears to be the most no-frills member of team nom. The colour White emphasises his minimalist classiness even more. Ring size 21mm. The material pure bristle taken from boars produces the most bracing massage effect. The bristle brush becomes softer with use. It offers inexpensive, easy entry into the world of wet shaving. Colors range from yellow to white. With a black imitation band as decoration.