One thing I noticed while watching some guitarists play is that they can comfortably sit/rest their thumb over the neck like in the pic below, is this just them having bigger hands
The 'Ugly' Secret Behind Prince's Epic Guitar Solos
Prince's Top 10 Early Songs | Billboard – Billboard
Prince. Funk Minimalist. Deconstructing & Looping 8 of his Funkiest Guitar Riffs. Tutorial. Tabs inc - YouTube
Prince dies: a profile of the music legend | British GQ | British GQ