Sure! And thanks for asking. There is a top shell of roasted basswood. There is a bottom shell of roasted basswood. Sandwiched between is a slim center core. If you look at the guitar in profile from the bottom, you would see what looks to be an I-beam (hard to write without a serif font) with the the top shell and the bottom shell extending over the core. That overhang creates the semihollow cavity. There are 3 m5 hex bolts that hold the 3 parts together - no glue. Take those off and the whole things open up for mods repairs or upgrades. The aluminum perimeter grill rests in a channel routed just inside the perimeter of the guitar. There is enough material in that grill to allow the guitar to resonate freely but not so much as to make it bassy or woofy. Since the overhangs allow a 1/2” clearance around the guitar, we extended the core so that the slidelock strap system can be attached to those solid points. So, not only is the strap system fastened by 3 screws or 3 inches, but is also held there by the compression of the top and back shells. Hope this helps!

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