I used a capo on the first fret of a Dean 5-string back in the early 00's... when NuMetal was all the rage. Our band performed some System of a Down covers that were in the key of C. It was practical to use the capo to get the Open C. I didn't care if it wasn't cool or hip. Nobody in the audience cared, even the musicians. It sounded good... that's all that mattered. I used a capo that looked like this.......