An Epic Scramble up Sinister Gully in Icy Winter Conditions (ReUpload)

This is a re-upload of one of my early KZbin videos with an additional warning about the dangers of this route in winter.
Here are the What3Words map locations as shown in the footage:
Retaining Wall Marking the Start of Sinister Gully: what3words.com/gradually.impa...
Sinister Gully Avoidance Line: what3words.com/guideline.comm...
Top of Sinister Gully: what3words.com/chairing.relat...
Gully Obstacle: what3words.com/tolerates.tele...
Great Pinnacle Gap: what3words.com/alpha.refraine...
Topping Out of Bristly Ridge: what3words.com/belief.fund.li...
The Cantilever: what3words.com/sideboard.laug...