In my years as a boat builder I have found it is not uncommon to find the need to ream the hole to accommodate a larger bung plug...now, these bung plugs serve only one purpose....to fill the void.
I would assume the same is true for a guitar, no?
That said, once the sides of the bung hole have become worn and tattered the only recourse is to ream that baby out for a larger bung plug which can then be inserted with a minimum of upward driving force ..heat from friction alone will suffice to make a smooth insertion.
I have no idea what this ginger root thing is all about....a little spiddle works fine for me...call me "old fashioned"...
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Barrett
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