What, is this some kind of trick? The TC Electronics PolyTune is a footswitch that can help you tune up all your guitar strings at the same time. You simply strum all the strings on your guitar or bass, and PolyTune shows you which ones need attention. It’s the world’s first polyphonic tuner.

Guitarists, you’ll also like PolyTune’s chromatic capabilities, able to handle all kinds of drop tunings and alternate tunings, and it’s accurate to 0.5 cents. This is all well and good, but we’d rather have that guitar with the Evertune Bridge that stays in tune automatically, forever.

That spring-loaded Evertune mechanism isn’t available yet, but neither is PolyTune. NAMM, the big audio expo, starts today in Anaheim, so we’ll probably know more about price and availability soon. Meanwhile, here’s a video of PolyTune in action: