Two items of the same kind together
His handling of the elegiac couplet, and especially of its second line, deserves especial recognition.
The children's book contained a short couplet on each page.
With regard to the form of the poem, Rutilius handles the elegiac couplet with great metrical purity and freedom, and betrays many signs of long study in the elegiac poetry of the Augustan era.
A couplet does not have to rhyme, but poetry is more entertaining to children when rhymes are used.
A fanciful explanation of his lameness is that it alludes to the elegiac couplet, one verse of which is shorter than the other.