Ebow

EBow

The EBow or ebow (brand name for "Electronic Bow" or Energy Bow) (often spelled E-bow in common usage) is a hand-held, battery-powered electronic device for playing the electric guitar, invented by Greg Heet in 1969. Instead of having the strings hit by the fingers or a pick, they are moved by the electromagnetic field created by the device, producing a sound reminiscent of using a bow on the strings.