We're surprised too, but it's right there (at least for now) in the HoliBlog, in the entry about the Tilt-A-Whirl's history:
Spinning virgins around, presumably to their deaths?
Come on...what would Santa think?
[Edit: A loyal reader points out the anagramic fun of Santa and Satan. It's all coming together, especially when you realize that "Santa Claus" is an anagram for "A Talc Susan." And "A Class Tuna." For shame, for shame.]