The other crucial piece of beta is that conditions are perma dreadful there so a useful accessory is an industrial battery powered fan of the type Plasterer's use. Genius innovation and I shit you not. I'm a googling tonight.
I was threatening to install a big fan on a cherry-picker at Kilnsey whilst I was working Stolen (maybe beg Fire Service contacts to get an Aerial Ladder Platform, ALP, and a Positive Pressure Ventilation, PPV, fan set up) . I lost weeks of RPs due to summer greasiness on that bugger (on crisp days, I'd do Cold Steal easily... and then fall on the boulder problem above 3x in succession; on humid days, I'd fall at the 3rd bolt of Cold Steal every attempt). I thought I was just being fecetious (or possibly fatuous).... now I realise I was a goddamn visionary