Just got back from Hall E, breeding ground for innovative and unusual technology from all those cool little-known and start-up companies. The most rocking piece of gear down there HAD to be the Wag ring from Xpresense. Check this out-it’s a wireless effects controller built into a ring-so as you play, your hand motions control effects parameters via data transmitted to the base unit. It’s obviously a big hit with guitarists, but keyboardists and even vocalists can really get into the technology. Head down tot he basement to check out the demo…