Magic Numbers, the Steve McClure segment of Alastair Lee's 2007 film Psyche, part of a trilogy about leading British climbers. [1] It covers McClure's sport climbing, including 9a ascents on steep limestone, an 8c first ascent and flashes at a French climbing festival. [1]
[1] Trento Film Festival archive - Magic Numbers (Psyche) https://trentofestival.it/en/archives/2008/magic-numbers-psyche/