Totally thought I had invented something conceptually with the idea of Zombie Mark Twain, but apparently he is a regular on a comic strip. Bummer. Back to work on Reverend Pizza Zombie.

Audio of a flexi demonstration disc for a Mu-Tron Gizmotron invented in the 1970s by Kevin Godley & Lol Creme of the band 10cc.  The attached plastic Gizmo sustains guitar or bass strings with rotating serrated wheels.