Throughout medieval history, a considerable amount of the culture was influenced by religion. Some of the more extreme zealots wore hair shirts under their clothes as a form of penance. It scrapes their skin as a constant reminder to stay focused on God. Essentially, this is the tool of a fanatic. Simon de Montfort wore a hair shirt under his clothes and his zealotry was so extreme that when he made an oath before God, he was going to see it through no matter what. This was the case when he, Henry III, and the other English barons swore an oath before God in order to abide by a set of laws and if Henry III broke those laws the penalty would be civil war. Inevitably, Henry III broke the oath and Simon responded in kind. Simon may have had God on his side, but no matter how you dress it up he was still waging war against an anointed king, which made him a traitor to the crown. Eventually, Simon’s rebellion was quelled and Simon himself was chopped into pieces. I am thinking of having one of my future fantasy characters this piece of unusual clothing. I am thinking of making this character a pious zealot and an ambitious rebel at the same time like Simon de Montfort.