"Castiv: Guitar Sidekick - iPhone Grip"

35 inches) such as iPhone, iPod Touch, Zune, Sony PSP, Blackberry, the iTab, or a range of different Android and Windows phones.

The Guitar Sidekick works with almost any Guitar, by clanding onto the strings behind the nut, without disturbing the tuning or sustain of your instrument.

Great for busking, rehearsing, learning,...