This guitar was featured on the cover of John’s 2001 album Room for Squares. In the DVD commentary of Any Given Thursday, he states that the guitar was used live for Neon, and in the studio on the song Room for Squares.
The unique thing about this guitar is that it features angled or fanned frets, which allows for better intonation when compared to a standard guitar. The principle on which this works is based on making the higher pitch strings shorter by making the bridge and the nut angled, and on the opposite side making the lower pitch strings longer.
I think you meant to say…
“The principle on which this works is based on making the HIGHER pitch strings shorter by making the bridge and the nut angled, and on the opposite side making the bass strings longer.”
Oops, that’s correct. Correcting it right now.