Liturgical hair: Ember Day during Advent

So far in Advent I've been puprle, purple, and purple. There have been a few optional white days for various saints, but they aren't ones we normally keep at St Andrew's. Today is what is known as an Ember Day, and I thought I'd do some red spray-on stripes to highlight it. According to Wikipedia, Ember days are four separate sets of three days within the same week — specifically, the...