Amazon.com: Sensor Pouch for Nike+iPod Sport Kit Sensor : Electronics
Bean Pod 2 Pk: Universal Nike+ iPod Sensor Holder - Nike Plus iPod Sensor Cases, Works w/ All Shoes: 1 Red Sensor Shoe Pouch and 1 Blue Sensor Shoe Pouch | Amazon
Nike+iPod - Wikipedia
Nike+ IPod = Surveillance | WIRED
Nike SportWatch GPS Powered by TomTom with Shoe Pod Sensor White/Silver 1JA0.017.05 - Best Buy
Nike Apple Foot Sensor Pod Running Model A1193 Shoes Sports | eBay
Put an IPod Nike+ Sensor in Any Running Shoe in One Minute for 5 Cents : 4 Steps (with Pictures) - Instructables
Put an IPod Nike+ Sensor in Any Running Shoe in One Minute for 5 Cents : 4 Steps (with Pictures) - Instructables