Maintaining the fretboard is not only a visual thing. It's actually important, especially on guitars / basses with unfinished fretboards. Learn all about it in this episode of Guitar Tech Tips and protect the fretboard.
Interesting bits and pieces:
0:26 today's theme: fretboard maintainance
0:42 why is it important to oil the fretboard?
1:04 how often should you oil it?
1:29 what's the deal with Fast Fret and cleaners?
1:52 cleaning the unfinished fretboard
2:57 then apply the oil
3:15 fret polishing?
3:54 the back of the neck?
4:15 time for a test ride :)