"The genre of the palindrome, playful and ludic as it is, nonetheless has a strong implication of violence. In the work of its foremost practitioners, Velemir Khlebnikov and Vladimir Nabokov, as well as some of their postmodern successors, the palindrome is closely linked to death, cannibalism, beheading, and murder."

Matt Webb's notes on "The Semiotcracy". I always misplace this whenever I need to refer to it.