While the first- and sixth-generation iPod nanos included a lanyard or clip to increase their wearability, the seventh-gen nano 7G returned to a clipless design, necessitating accessories such as Griffin's Trainer ($20). The relatively short, taut elastic armband is designed to fit arms up to 19 inches in circumference. Your iPod nano slides into a pocket with a clear plastic window in the front, allowing you to touch through to the screen. Holes…
