Instead of buying a dedicated travel shaving brush (which cost money), you can instead create a travel case for your brush with a used-up toilet paper roll.
We see open-fronted shops with dressmakers, cobblers and tailors, sewing on old-fashioned treadle machines, barbers and shavers who lather up people's chins with old-fashioned shaving brushes by the roadside.
Females have a remarkable, large, broad, apically truncated, heavy mass of black hair-scales, which resemble a shaving brush, at the apex of the abdomen.