Apple Ipod Touch Loop Zml - White\Black (Latest Model - Launched Sept 2012)
This is my second replacement set I've bought, so I'm now on my fourth iPod Touch Loop in three years.  They last reasonably long but if the strap catches on something it can snap, and the connection point wears out in time.  The Loop is very flat and elegantly designed, and its maybe the only feature the iPod touch has that the iPhone doesn't, perhaps because they're frequently used as a stand-in for a point-and-shoot camera.  But I can see why Apple discontinued the loop attachment on the new 6th-generati