Quote Originally Posted by Fretworn View Post
Sandpaper and patience
For sure. I tend to wanna shape my necks to how I play which means my necks tend to tad lopsided. I start with like 80 grit, hold it in my hand and sand up and down the neck holding it the same way I play.
Tedious, boring but it gives me the best results.

But if you want to remove a lot of the thickness I'd have to agree with Scott. A good cabinet scraper.