What poetic devices are used in "The Whipping" by Robert Hayden?In which lines of the poem do these poetic devices take place?

"The Whipping," by Robert Hayden, is about an old woman
who whips a boy.

One of the most important poetic devices
used in this poem is alliteration--the repetition of
initial consonant sounds.  In particular, the poet favors the "w" sound throughout this
short poem; it is used at the beginning of 10 words.  Perhaps the poet wants to imitate
a crying, sobbing sound, like "wa-wa-wa."

Another device
used is metaphor--comparisons that do not contain the words "like" or "as."  See lines
11-12:

His tears are rainy
weather

to woundlike
memories

The poet is comparing the boy's tears to
rain.

Another simple device in this poem is
repetition.  See line 9: "She strikes and strikes," and
lines 15:

to
wrench free, the blows, the fear
worse than
blows...