Scraper burrs are easily rolled with the side of a polished screwdriver shank. Snap-on is perfect. Because it is a very small contact point the idea is to use ounces, not pounds of force.

Because the scrapers are used down in the inletting glass scrapers are pretty close to impossible to use.

Mark Begich, Joaquin Jackson, and Heller resistance... Three huge reasons to worry about the NRA.