Surgery finally performed yesterday !!! I sanitized my hands and the area before 
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My wife tweezers ended up being the right tool for the job and not the little screwdrivers on the first picture.
The peeling of that “fabric” freak me out at the beginning!! You feel is gonna break.
The change is actually more than I was expecting, is a more significant improvement than using True-Fi from Sonarworks.
Thanks for all the guidance and advice here months ago!!