I never did understand why the local shops advocated one big walking stick instead of two trekking poles for the Narrows. I took two poles, and my feet were more battered and swollen the next day than they were at the end of the Sierra Challenge in '10.
...
Pole vaulting over the bigger rocks brought in fresh by thunderstorms.
Years ago I hiked the narrows with a scout group that got a late start and spent the night in the canyon without planing to. What doesn't kill you makes for better stories.
Dale B. Dalrymple