Fretlocks single-string capos allow guitarists to play impossible things.
Guitar accessory promises new levels of creativity
If you've ever felt the need for an extra finger or two on your fretboard, new single-string capos Fretlocks could be the accessory you've been waiting for.
Fretlocks simply stick onto your fretboard and two tiny blades 'fret' the string – there are three different sizes of Fretlock dependent on string gauge.
