You might look at tools just as utilitarian items \u2014 cold lumps of lifeless steel. For the true believers, the difference between good tools and bad ones is like the difference between gas station sushi and the real thing: they both might get the job done, but one is certainly a lot more satisfying, while the other is more likely to leave you feeling more than a little bit of regret. But, what makes a good tool, why is designing one so hard to do, and why should you care? James and Dave get the lowdown with Jason Quade from Abbey Bike Tools.