Ten thousand eyes were on him as he rubbed his hands with dirt;
Five thousand tongues applauded when he wiped them on his shirt.
Then while the writhing pitcher ground the ball into his hip,
Defiance gleamed in Casey’s eye, a sneer curled Casey’s lip.
Source: Thayer, Ernest Lawrence. “Casey at the Bat.” Poetry Foundation. Poetry Foundation, n.d. Web. 24 June 2011.
Which technique is the author using in this stanza?
simile
alliteration
imagery
onomatopoeia