A wild pitch, this overhanging crack is easier than it looks. Start inside the main (lower) window. Stem and bridge past 2 bolts and some gear, then move out towards the crack (same as second pitch of the Windows Route). At the crack, stay in the chimney and jam the overhanging crack up to an obvious ledge in the upper window. Either belay here (small to med cams) or wiggle through the window and belay from bolts atop 2nd pitch of the Windows Route.
Route starts inside the 1st Window on Supercrack Tower, so you will have to climb the 1st pitch of Windows Route or Chossy Chimney or??? to get there. To descend, rap the Windows Route with a single 60m.
Single set of cams from .4 through 3 Camalot and a few draws/runners. An extra .5 would be nice.