Because sharp wits won't always give you the edge.
To cut the corners!
The knife has a point.
His lucky people's foot!
He wasn't Italian, because he carried work tools, he wasn't Austrian, since he had some brains, he might have been Swiss, since he was outrun by a glacier, but most probably he was a German, because nobody else ever walks in sandals in the mountains.
A precipuss.
Because he's close to The Edge