Ok here is the process by which I modify a thumb pick to have a profile that suits my playing better. The problem is that the standard thumb pick profile moves my hand an extra 1/4-3/8" away from the strings. For me this makes thumb picks a real problem.
This modification requires very expensive hard to find specialized guitar picks. A flat pick of your own that you like, and a thumb pick that feels comfortable to wear but has a point that is too long. Total outlay in parts about… Continue