Ok, so my parents went to Peru for a while and brought me back this beautiful acoustic guitar made by a small Peruvian shop called Effo Guitars. Upon first playing this acoustic, it sounded great and was very easy to play. However, it had ridiculously light guaged strings on it, which are not suitable for the style of music that I play. So I changed the strings to some D'Addario 0.12-0.53 guage strings, which is what I usually play with, but the guitar now does not play all that well and accordingly does not sound all that good. The problem I'm looking at is way too high of action. So I'm thinking, "no big deal, I'll just adjust the truss rod a little bit and things will be alright"...no dice. I can't find any point on the whole guitar that will allow me to access my truss rod...not on the headstock, not on the edge of the sound port...I can't even feel anything inside the guitar. Is it possible that this guitar's truss rod is not adjustable? If it is adjustable, why would any luthier build a guitar and not allow access to it? What are my options here? I know that if it comes down to it, I could remove the piece of the bridge that sets the string height and shave some material off the bottom of it, but that is my absolute last resort...any suggestions?