It up to the strings radius at Saddle / Nut Like this PICTURE below.
So We can edit the radius of the strings at Nut and Saddle
But the Best way to change radius : Edit Only the saddle.
We can change the radius of string by slotting at the Bridge Pin Hole.
What happen If you try to edit at nut ?
: It will be ok if you don't edit too much. you must more becareful when editing.
Mistake = Buzz Sound
Let's Start !!
First we must remove all of strings to edit string slot. Then use something like homewood tools.
See picture below
use the left tools of that picture to slotting the string slot.
Please select the smallest size of that tools to keep your string slot fit when you editing.
or Use this
The Best radius of 3th-6th strings is 45 degree. + or - little
For 1st-2rd Strings is 35 - 45 degree.
If the radius too much it take your guitar sound Hard and Louder
It it less... your guitar will quite and soft.
See this picture below.
More Radius = More Loud - Hard Sound - More rich sound
So what it useful ?
When you sand your saddle too low to play with extreme low action
you can slotting the string slot to move the string come near
to the saddle.
to make it take the sound better. Louder and Better
If your saddle is high already. Don't slotting it
Because it will take your guitar sound so loud.
This is a little solution for the guitar
with low action or quite sound.
and it help you about bridge Pin Hole problems.
It help you can paste you Bridge Pin in to the hole easier.
Sorry if you can't understand what I try to say
I hardly sleep. I can't use my brain better for now.