A must have for any professionals pedal board. Meet The Tonebone Dragster from Radial Engineering. This is the ultimate compact load correction device for you pedal board. It uses adjustable Drag control load correction. This allows the pick up of your instruments pickups to always detect the correct impedance load just as if it were plugged directly into your amp. Thanks to the Dragster your guitar will always produce its rich harmonic tone and no unwanted frequencies will be emphasised no matter what its plugged in to next. Its so good youll be using it in every effects loop you ever create!