Sometimes a problem is solved by sweating the details until a solution is reached. A solution so elegant that it appears to be the only possible answer to the problem. A solution so thoroughly worked through that it seems effortless.
Other times, the designer will think of something, grab the first parts that comes to hand and call it good. The solution might work, but it won’t be getting stocked at the Apple Store any time soon. The Clutch is one such solution.