Disconnect the strap from the output jack strap button. Grasp the loop
side of the Kevlar where it wraps around the leather strap and start
pushing the leather strap through the Kevlar loop. Pass the entire strap
through the loop – the buckle may be tight but it will pass through.
Once the entire strap is pulled through the loop it will be free from
Reattach by passing the Kevlar loop through the hole in the end of the
leather strap, and then pull the entire strap through the loop. Should
the Kevlar loop ever need to be replaced or removed, it can be detached
from the instrument by loosening the strings and unbolting the neck.