What are some literary devices in Seamus Heaney's poem, "Follower"?

Poetry
is a literary form that enhances meaning through the use of literary devices. A word in a poem
may be connected to other words not just through the standard grammar of English but also
through sound and through its pointing to more than one concept. Seamus Heaney reveals truths
about his relationship with his father (and our relationships with our parents) in Follower,
by using sound- and meaning-based poetic practices.

Follower describes how
a young boy follows his father while the father plows a field and then at the end reveals how
the tables have turned over time. Heaney employs two sound-based poetic devices in the poem,
rhyme and meter. Rhyme unites words through...