Ola Englund Demos Evertune and True Temperament

The guitar as an instrument is basically a flawed construction. In its regular form you can never tune a guitar correctly over the entire neck. To fix these, some clever Swedes have created a new kind of neck called True Temperament with strange-looking crooked frets lets you tune the entire fretboard correctly. Combine this with the magic Evertune bridge that keeps your guitar in tune and you have the perfectly intonated guitar at all times.

Ola Englund shows us how it works: