What is the purpose of the alliteration in this sentence the snakes hissed and slitheredand i kept my distance from their cage?

The alliteration in the sentence, with the repetition of the "s" sound in "snakes," "hissed," and "slithered," enhances the auditory quality of the description, creating a more vivid and engaging image of the snakes. It emphasizes the stealthy, sinister nature of the snakes, evoking a sense of unease and caution in the reader. This literary device helps to draw attention to the action and heightens the overall tension of the scene.