They've been around for a long, long time and from what I've read about them, they seem to work as advetised. Although that hook isn't particularly effiecient(from the one in-depth report on it I saw). It depends a lot on where/what you're going to use one for. I would't take one on a backpacking trip, obviously. but for clearing brush on a property or trail or camp they'd probably do quite well. Always meant to get one, but I do that kind of work with my machete's so can't quite justify the money.