A straight razor is a razor with a blade that can fold into its handle. They are also called open razors and cut-throat razors. This example of a straight razor was made in Germany for the export market by ERN. The company was registered in 1874.Steel and ebonised wood straight razor in original caseCase: "The Famous es-ex razor". Blade: "Made in Germany"es-ex razor, straight razors, cut throat razors, ern - germany