Move up the short right-leaning crack, then step left onto the face of the buttress and follow a wandering line of least resistance up to a very puzzling steep exit on the left. The anchor is a few feet up and right on a slab. "A wretched hive of scum and villainy," according to Obi-Wan Kenobi, but the quality of the climbing is much better than the appearance would suggest.
This route climbs the front of the dirty-looking buttress just uphill from the large, left-facing corner of Treasure Island. Start a few feet uphill from a large oak tree, near a short right-leaning crack system.
Light rack to 3". The gear placements are tricky, but solid -- mostly in pockets or horizontals that are hard to see from below.