You might look at tools just as utilitarian items — 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.