Like this, the modded neck shape on the right. Maybe a little exaggerated here but the idea.
https://lh6.googleusercontent.com/-mA-SlNW3ruo/URn9GlNSz7I/AAAAAAAAH1c/cj9rwLHoqqE/s912/neckp.jpg
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Type: Posts; User: deeaa
Like this, the modded neck shape on the right....
Like this, the modded neck shape on the right. Maybe a little exaggerated here but the idea.
https://lh6.googleusercontent.com/-mA-SlNW3ruo/URn9GlNSz7I/AAAAAAAAH1c/cj9rwLHoqqE/s912/neckp.jpg
...
If the neck is an issue due to shape, well just...
If the neck is an issue due to shape, well just reshape it slightly! Simply sand it to your liking. I would recommend shaving material from below your thumb in the normal playing position only, i.e....