The pole at the barber usually is a helix of colored stripes (red, white and blue). Why they all use such a pole?
In the Middle Ages, doctors used to let blood people for medical treatment. But they considered that it was the work of inferiors, they didn’t want to let blood. So in 1540, approved by the King of England, barbers started to bleed sick people as surgeons, and hung a three -color pole as marker, red represented artery, blue represented vein, white represented gauze. Until 1745, King George II founded the Royal College of Surgeons; barber did not have to bleed patients, but the three -color pole was still in use today.