In reply to CantClimbTom:
Hi mate,
Yes, you're pretty close. In your first image, Patellectomy is in the hole to left, looking out, of your red arrow. The route has the obvious parallel bars sticking out of it and the vid shows the abseil down its side wall. Ab off bolts.
The pipe is obvious: Descend, then move left (looking out) and continue along the level past a couple of pretty large blocks and a small ruined building. Immediately start looking for the abseil, which is off a block a short way back from the edge of the level a little further on. It's the only anchor around so if you find it then you're right on route. Align your rope in the chair as you pass it to avoid a long razor edge half way down the abseil.
After the abseil, the entrance to the tunnel is obvious from the vid - the sliver birch with a curved trunk is the clue. Switch your torch on and carry on in, right to the end, where there is a very tight squeeze out to arrive at the base of Twll Mawr.
Climb Revelations at F6b and the wobbly ladder then exit via the tunnel. Scramble carefully back up to the Watford Gap as per Ian's description, cross it, and squeeze through the narrow gap between the fence and the wall to scramble more scree up to the top of Quarryman Wall. Be careful here: It's a big drop off loose scree if you slip...!
The rest of the route description is good and accurate.
I hope this helps? I'll post some pics on my profile: they show the location of the abs.
I'm glad you're wanting to repeat "Hobbit's...". It's an utterly contrived circuit of walking, scrambling, climbing, abseiling & caving... but it's really great fun and an excellent adventure, if rather serious at times.
Mike
Post edited at 12:19