"she’d be wearing haircloth or probably sandpaper at that rate"
Hair shirt of St. Louis in the church of St. Aspais of Melun
GNU Free Documentation LicenseHair shirt of St. Louis in the church of St. Aspais of Melun - Credit: LecomteB

Haircloth shirts, or cilices, are garments made from coarse animal hair. They are worn by religious groups, most notably Catholics, in order to mortify the flesh and as a symbol of penance.