Both David and Ruben Firnenburg have repeated Markus Bock's The Essential, 9a, at the Luisenwand, Frankenjura.
David (19) repeated the route 1 November and on the brothers' blog he describes the character and crux:
It's a short bouldery route on small pockets and crimps. It actually comes down...
Read more at http://www.ukclimbing.com/news/item.php?id=69312