On Thursday, July 7, 2016 at 6:27:11 AM UTC-10, sf wrote:
> On Thu, 7 Jul 2016 01:41:50 -0700 (PDT), dsi1 <dsi10hoo.com>
> wrote:
>
> > I'd use a silicon carbide rubber point - that would probably work dandy.
>
> First you have to buy a Dremel and the drill point. Might as well
> take those blades to the expensive knife sharpener and skip the
> process.
>
> --
>
> sf

Luckily, I've got all those.