slow superglue will wick in there, then a little magic marker.
I would carefully put floor wax on the outside of the resonator completely surrounding the crack, clamp it together, and drip some water thin cyanoacrylate glue on the crack. It will wick in. amazon.com/Bob-Smith-Insta-Cur...242&psc=1. The wax will prevent the glue from sticking to your finish and can be buffed off
thank you Josh, I love learning new things.
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