[Yug]

I think for that shower, religious items would be things like t-shirts with "Aller wos a peedo"" printed on them.

[Boiler]

Rosary beads? Copies of the Bible? An icthus? A crosier?

I believe the icthus is now better known as the "fish of bad driving"

Well, it's certainly made me say His name a few times on the roads...