It had some great stuff in that, but it's a hokey story and ours is a thriller story I guess. It's not a documentary on mountain climbing, but the truth is you do get compared, of course. I don't care about that. Barry Blanchard, a real mountaineer who trained Limit 's cast and advised both sets of filmmakers with regards to technical details, found this film to be an opportunity to correct some fallacies perpetuated by that other mountain movie. When you think about a gun that could put a stud of metal into granite three inches without taking your arm off, that's a pretty neat piece of equipment.
Drills exist, to drill apart rock.
But something that could drive a stud of metal into solid granite would have to be a tank, basically. As an audience participant, you've got to suspend your disbelief, especially as a climber. The cast trained with professional climbers for one month prior to principal photography so they could perform as many of their own stunts as the insurance company would allow. Star O'Donnell was happy to take such risks. It's a pretty amazing thing to think about a loved one, a sister, a wife, anybody that is in that much danger, about to die.