Slotted vs Solid Headstock - Acoustic Guitar Anatomy - YouTube
Slotted Headstock Stringing
Slotted Headstocks: Look Cool, Sound Great - Takamine
Collings Guitars and Mandolins - Step right up and take a guess as to what custom acoustic model this show-stopping slotted headstock belongs to. Answer posted tomorrow of a guitar you won't
How To: Change Strings On A Slotted Head Stock - YouTube