And Frost poem mending wall the lines I see him there bringing a stone grass firmly by the top and each hand Like a Stone Savage armed uses which poetic device

The poetic device used in the line "Like a Stone Savage armed" from Robert Frost's poem "Mending Wall" is a simile. A simile is a figure of speech that compares two unlike things, typically using the words "like" or "as." In this case, the speaker compares the person mentioned in the line to a Stone Savage, emphasizing their strong and determined nature.