What techique is this? (1 Viewer)

[JH751]

"Snake oil Salesmen" besides alliteration would this be considered a metaphor?

 

[Ununoctium]

No, it is not a metaphor, because the writer is stating that the sales people are snake oil merchants as a fact; that is their literal profession. Though, we need more context to fully justify this.

Another technique could be sibilance, I guess. Read more; http://stereos.about.com/od/glossaryoftermss/g/sibilance.htm