Guitars: tools or ornaments?
This is what Steve Vai did to his favourite guitar to get it "right" for him
http://www.jemsite.com/axes/model/charvel2.htm
He Superglued a perspex guard to raise the resting height of his right hand.
He bandsawed out the lower cutaway to facilitate access to the high frets.
Then he gouged holes in the body behind the Floyd Rose so he could pull up more on the whammy bar.
HIS GUITAR WAS A TOOL