John the Baptist
'her innocent clatter'
'a night on the batter'
'tea, dry toast, no butter'
'Simon? Andrew? John?'
These common names suggest common behaviour
These names are all the names of friends of Duffy
These names are all the names of famous politicians in Duffy's time
These name all have Biblical origins, like Salome
Killing, sex and dancing
Booze, cigarettes and sex
Over-eating, hangovers and men
Simon, Andrew and John
Pewter refers to the material of the platter his head was found on
Pewter sounds like Peter, another disciple of Jesus
It near rhymes with the lines before and after it
Pewter is red, which goes with the blood on the sheets
Salome's guilt contrasts with the maid's innocence
The maid is the murderer
The maid discovers the decapitated head