Sometimes sending a guitar back For a small "Tweak" is not always practical or necessary. Many times when I ship a guitar from the humid deep South to a dry climate the neck sometimes will "hump" up a bit. This will cause what can be described as guitar neck misalignment and sometimes a "string buzz". Very small, almost imperceptible tweaks will result in a surprising results for this type of guitar neck misalignment issue. It is very easy to fix!