Per Russ's valid point about getting goo inside the folding mechanism, there is also a fixed blade version available, the 101, I believe (named after the highway??)

AKSAR is right on target with his 80/20 observation. It applies to lots of stuff. I always claimed that 80 per cent of the work done by NP park staff was caused by 2% of the visitors - ratio is a little different, but same principle....