Originally Posted by
Brendan
Welcome along CubCall - replacing the nut is pretty straightforward - easiest way is to cut down the length of the plastic nut with a hacksaw or other fairly thin saw say 1/2 way to 2/3 of the way, grab a pair of pliers and then crush the two sides together. It should be enough to unseat it. Glueing in the new one is easiest done with 1-2 drops of superglue or other glue - just needs to hold it there while there are no strings on as once the strings are in, string tension should hold it down.
Making a new nut is where the art is - with the right tools, it's pretty straightforward, without them - much more complex.