Friction, friction, friction! The cause of out of tune instruments across the globe. Well, not with Big Bends. Used by guitarists the world over to help stay in tune and at the same time help minimise string breakage. Gig Bends. Often imitated, never bettered! Created to stay in tune while playing songs on a Strat with a floating bridge Nut Sauce soon became an overnight hit with professional guitarists and guitar techs across the globe.