Anvil Firing
> "Anvils were also traditionally fired on St. Clement's Day, honoring Pope Clement I, the patron saint of blacksmiths and metalworkers."Hm. Obscure. Intriguing. Okay. Then briefly down a rabbit hole I learn that Saint Isidore of Seville is the patron saint of "the Internet, computer users, computer technicians, programmers, students"[0][0] https://en.wikipedia.org/wiki/Isidore_of_Seville