The route is eight pitches long and the successful ascent took several attempts.
“Super Rat is a most intoxicating mix of tenuous ice climbing and strenuous cracks, requiring diamond-tipped crampons as well as fire in the forearms. The fact that it only comes into condition once every two decades is just the icing on the cake; it doesn't get any better than that.”
You can read Guy's full account with photos in this UKClimbing.com Article: Super Rat
Guy Robertson is sponsored by Rab, Grivel and Podsacs