The phrase "feet that might have served for shovels" is an example of what kind of figurative language?

metaphor

personification

hyperbole

simile

Hyperbole & metaphor.

Hyperbole, Metaphor & Personification.

-

Why?

1) It's exaggerating the fact that feet is "working"/"served" for shovels

2) The metaphor comparing the feet as dirty by saying it served for "shovels", chastising the fact it's a metaphor.

3) Personification, it provides human factor for mere feet and shovels.