[SERKIT]

But with the ledgermain required to describe a spiral staircase without using one's hands......

Did they mean legerdemain maybe?

Main Entry: leg·er·de·main
Pronunciation: \ˌle-jər-də-ˈmān\
Function: noun
Etymology: Middle English, from Middle French leger de main light of hand
Date: 15th century
1 : sleight of hand
2 : a display of skill or adroitness

[governsleastgovernsbest]

They [me] did, and thanks to another keen-eyed reader who brought the mistake to my attention I’ve changed it in the original NewsBusters article.