What literary device is bright as polished brass?

This is a bit of a trick question! While "bright as polished brass" is a vivid simile, it's not a literary device itself. It's an example of how a simile can be used.

Here's why:

* Simile: A figure of speech that directly compares two things using "like" or "as."

* Literary Device: A technique used by writers to create a specific effect in their writing. Similes are one example of a literary device.

So, the phrase "bright as polished brass" is an example of a simile, which is a literary device.