Official Luthiers Forum!

It doesn't take much to mod an off the shelf cutting gauge. It's simply a matter of rounding one of the faces. Having said that there are options that make the process a touch easier. Even though I have the Sloane I use my home made affair, easier to adjust and a touch easier to use.
The LMI cutter looks like it's based on the expensive (very) Brass versions sold by some Violin maker suppliers. The Ramirez workshop can obviously afford it:

http://www.guitarrasramirez.com/video.html

Michael, I really like your version of the gramil. As a matter of fact, I think you should do a write up about it and stick it in the Tutorial and Jigs section. That is one of those tools that should be in everyone's kit.

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Aoibeann

Not my design but the next time I bind/purfle a Guitar I'll take some photo's and post them in the tutorial section.