I think this is the best route in Castlewood. I stumbled upon it almost five years ago, and fell in love at first sight. Me and a friend (thanks pack) must have worked it for 35 days that first year. Anyways it shares the first three bolts with rim job, amazing slapping and heel hook up the arete. Then traverse right in the seem and make an interesting clip. Get your feet under you and throw for the BIG rail. Its a pretty big dyno but the rail is huge, making the move maybe 12b. Clip the fourth or just skip it and make one more moderate toss up right to the good pod. Heres the crux, I use a left hand side pull which is actually a small broken piece out of a big white rock. Get your left foot up on the polished rock (sorry my foot has popped off more times than I can count) and throw right up into a horizontal credit card slot. The move is super frustrating because you have to hit it perfect, more precision than power. Maybe even harder than 13c? I will try to get some pictures up before c.b. freezes.
Protection
Shares the first three bolts with rim job, then breaks right for three more bolts. I recommend putting a long one on the fouth as it is a little hairy to clip. Also the fifth bolt can easily be skipped for the R.P.