With a lot of practise
To learn to play the finger slide guitar, you can start by getting a slide, practicing sliding it along the strings to create different sounds, and learning basic slide guitar techniques from online tutorials or lessons. Practice regularly to improve your skills and develop your own style.
Glass
its called slide guitar you move the bottloe neck down the frets and sounds awesome
what slide button? theres no slide button on mines
Slide Guitar. ( http://allmusic.com/cg/amg.dll?p=amg&sql=33:gzfuxze0ld6e )
One can purchase a guitar slide from music supply or instrument stores. One can also buy a guitar slide online from guitar manufacturers, and larger storefronts such as Musician's Friend and Guitar Center.
you slide into the note so say you hit all the strings open than slide into the 12th fret 3rd string that's a slide.. the other slash is to slide up
you can use the gh3 one if you want to it still works if ur tlkin abt world tour then you can use the regular one and just play it regularly
The Dobro is a good guitar for playing in slide fashion. http://folkmusic.about.com/od/glossary/g/Dobro.htm
Different techniques used to play a guitar-like instrument on the lap include slide guitar, lap steel guitar, and pedal steel guitar. These techniques involve using a metal or glass slide to glide along the strings, creating a unique sound. Players may also use their fingers to pluck the strings while the instrument rests on their lap.
As far as I know he taught himself guitar by practicing almost constantly, watching others play, through tips from more experienced players, and by listening to records. But not so sure about slide guitar and I'm pretty sure the only time he was recorded playing slide was in All Along the Watchtower.
George played slide guitar on ALL his records.