This years CES has introduced us to a number of devices that cater to specific people. That includes IK Multimedias iRing accessory, designed for aspiring DJs whod like to control their iOS music apps with gestures…and a dash of showmanship. So long as a users wearing the iRing, the iDevices front camera picks the gesture controls up, and the peripherals accompanying app translates them to commands music software can understand.