Here is another open project at Gilbert Hills. This one is located on the Arrowhead boulder (http://mountainproject.com/v/arrowhead-boulder/106531920) which is not far behind the Grafitti boulder near the intersection of High Rock Road and the Megley Trail. Very easy to find, but not very easy to send. Start with an ass on the ground sit start using an obvious right facing jug hold (Jamie Emerson would highly approve of this starting hold) and then climb the right arete to the peak of the boulder using sloping pinches on the arete and some crimps on the face. Probably requires some serious heel hooking skills too. The stand has reportedly been done at about V8. This problem is well into double digits and has to be four or five stars. This picture doesn't do it justice but it is the right arete in the foreground.
The Wall