InvisoMatch Here’s Why the Ratio Machine Heads Can Make Tuning Quicker, More Predictable and More Intuitive From Steve Vai to Ed Sheeran, Graph Tech’s Dave Dunwoodie tells ‘GP’ how these innovative tuners have made life easier for guitarists of all types Get The Pick NewsletterAll the latest guitar news, interviews, lessons, reviews, deals and more, direct to your inbox!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1The Allman Brothers Band’s Dickey Betts has died at 802“Joe Walsh insisted that I buy it”: Jimmy Page on his “Number 1” 1959 Gibson Les Paul3How Robin Trower crafted his blistering tonal triumph, Day of the Eagle4Gary Clark Jr. never asked to be a guitar savior 5Best Travel Guitars 2024: Top Portable Instruments From Lowden, Furch, Martin and more