Try a microbevel. Start by sharpening at 15 degrees or so, then tilt up to about 30 (or even 45) degrees and make a secondary bevel right at the edge whose flat is maybe 0.005″ long.

Master the art of sharpening curved chisels to achieve a razor-sharp edge with this detailed guide. Properly sharpened chisels enhance precision in woodworking projects, making them essential ...