Crux is at the top of the two parallel cracks under a roof to traverse right (crux), then pull onto a face onto a ledge to bolted anchor P1, Belay. Then up to the top of the Lower Grotto Wall belay P2.
Location
Easy to find, the two "twin cracks" left of Cryogenics.
Protection
Trad, well-protected, bring some long runners though.