We learn much about these in the "Hattatal": Snorri gives for certain at least three different variant-forms of hryniandi. These long-syllabled lines are explained by Snorri as being "extra-metrical" in most cases: the "main" form never has alliteration "or" rhyme in the first 2 syllables of the odd-lines (i.e., rimes always coming at the fourth-syllable), and the even-lines never have rhyme on the fifth/sixth syllables (i.e.: they cannot harbor rime in these places because they extra-metrical), the following couplet shows the paradigm: