Donner music - Donner HUSH-I headless guitar has an asymmetrical guitar neck, which helps players perform better both in higher and lower neck positions while reducing wrist fatigue during long practice sessions.
Asymmetric or symmetric guitar neck? what is the right profile for your boutique build? - YouTube
Are Asymmetric Necks Really All That? - YouTube
Are Asymmetric Necks Really All That? - YouTube
Gibson Rounded neck VS Slim taper VS Asymmetrical Slim Taper - The Gibson Lounge - Gibson Brands Forums
Takamine Guitars :: Design Features
Guitar Neck Profiles
Asymmetric neck shapes – Käppi Guitars
Guitar Neck Profiles
Asymmetric neck shape - Kritz Guitars
Bass Bench: Shh! The Secret of Asymmetrical Neck Relief - Premier Guitar