Here's why the edges of the file are smooth:
Here we are
Now, hammering the frets in leaves some texture in the frets themselves. I guess this is why using the press is the preferred method. To shape the tops of the frets, I have this file:
On this one, the flats are smooth but the edges have 2 different shaped files for contouring the fret tops.
One flatter and wider.
You run this over the frets to cut down to the lowest point left by the hammer blows. The steam trick won't work here, lol.
This took a while
