Mass production of surgical sound suppressor plug. A product that has been obsolete for the past 50 years. Back then, he had something like this in his own spine, which sealed his path towards becoming a musician. It had been the failed product of an experiment but he did not expect Newton to utilize it as a stabilizing plug. Its function was similar to that of the safety valve of a machine. Once the music theory goes haywire, it would be activated automatically to cut off the circulation of aether.
"I must hand it to you." Ye Qingxuan exclaimed in awe. He retrieved his vision and took back the vambrace from Newton, "And what about this?"