Start up the short dihedral, on tricky, inobvious moves. Traverse left into the scoop and work through a spicy section to reach the next bolt. A few tough moves gain the slab above and easier climbing to the anchors.
Walk past the right side of Hantavirus cave, past a few water streaks and diheadrals (~20m), looking for where you can cut left and up a steep, loose hillside. Moose Knuckle starts in a short, slightly dirty diheadral at the top of this hill. If you pass a massive, loose, left facing diheadral, you've gone too far, as this is the first bolted route left of this.