Wow, it's all there.
The allusion to fist-fucking (handy-man)
Licking the phallic knife
The vagina dentata in the toothy mouth of the hammer
The death of Eros:
The phallic sword caught in the thong-- an
allusion to impotency as "things went wrong."
Similarly, the hammer slips on the thumb. (In a certain
area of Italy, the thumb represents the penis
in a ritual in praise of Priapus, the very hung
The retracting tape measure, signifying the loss of
desire in the metaphor of the shrinking penis
A very sad but familiar story.