So, you've managed to get your hands on one of the world's most popular MP3 players, the Apple iPod Shuffle. Accessorizing the littlest of iPods presents a special challenge because it doesn't share the same dock connector as its larger siblings. But that doesn't mean it should be left out in the cold, sad and caseless. To that end, I've rounded up a handful of that will work perfectly with both the second- and third-generation Shuffles. Check 'em out.