THE MAGNET by Troy Grady helped the Cracking the Code team to analyzed and demystified the picking technique of world-class players such as Michael Angelo Batio, Albert Lee, David Grier, Molly Tuttle and Steve Morse. You can use it to simply analyze your game too.
The Magnet's unique dual-expansion design works with most 6- and 7-string guitars and it perfectly works with the phone you already own. Moreover, positions the camera for the perfect angle on your playing. By capturing incredible slow-motion video of your picking, you can reveal movements you're not even aware you're making and unlocking insights that can help you transform your technique.