>I also suspect that it will be highly surface specific. Sandstone with
>lots of microscopic fissures might be good, but something glassier like
>the metamorphose sandstone at Arapiles might be rubbish.
Interesting comment. Just because it works on relatively clean metallic or glassy surfaces, would it work on the dusty, licheny, (chalky?) edges and surfaces we might climb on? Or would it just mean falling off with a well-attached layer of filth on your fingers? |