The Electro Harmonix Freeze Sound Retainer is an excellent companion in your search for the perfect tone. Opening new realms of possibilities there are sounds only achievable through this brilliant pedal. Play a chord press the footswitch and your sound will be sustained indefinitely allowing you to layer it with blissful riffs and increasing embellishments for a sound you wont have heard before. One amazing feature of the Freeze sound retainer is that it can work perfectly with every other pedal in your board - its essentially like having another guitarist at your feet.