Sticks and stones
Bishops carry crosiers, which is to say long hefty sticks, whose symbolic uses are to pull sheep out of ditches and to nudge them (sometimes, thwack!) back on to the right path.
Now, is it in Deuteronomy? Or Exodus? … Stoning is the sentence prescribed for convicted adulterers — with, what ought to be famous, the Other Spouse and the principal witness (there had to be Two) casting the First