On Sep 3, 2:10 pm, "Ultraglide"
wrote:
I have seen drywall installers run a small tool over edges that they have
cut. Is this to create a bevel? What is the tool, it appears to look like
a small plane?

I tried a Bondo file just because I had one in the garage and it works
great. It looks like a drywall rasp but it's a foot long.