It is not based on a snake but on a shepherd's staff, which has that curl on the end to help snag a straying sheep. The clergy regard their congregation as sheep to be herded.
A Crosier is what the Bishop holds.
crosier
O. R. L. Crosier died in 1912.
O. R. L. Crosier was born in 1820.
Rubik's Snake
John Crosier has written: 'A catalogue of the ... household furniture, linen, china'
The shape of its tail is pretty flat because it helps the snake swim faster in the water.
and S Shap
Keith Crosier has written: 'The advertising iceberg' -- subject(s): Advertising agencies, Advertising
The shape of a crocodile's tale is very similar to the shape of a snake's body.
Crosier is the name of the bishop or pope's staff.
They carry a crosier.