Find All 'F' Notes on Guitar Fretboard
Breaking Out of the Box
F is unique because it has no open string in standard tuning. This forces you to fret every F note, which is great practice for abandoning "open position" crutches.
The Barre Chord Challenge
The F Barre chord at the 1st fret is a rite of passage for every guitarist. Mastering the F locations on the neck makes shifting that difficult shape much less intimidating.