Establishing at the start may well be the crux. Pull on with left hand on a good sidepull and right hand on, well, not much and fire for the slopey lip, hang on tight and crank out the tricky sloping topout. There are some sharp little crozzlies on the lip that can help you stick, but tear the crap out of your fingertips.
Location
On the mostly blank side of the Whale Shark Boulder, left of the V3 arete, starting on a sidepull that seems to be the wall's sole feature. Walk off the other end.