That's excellent to know, as i am sure the metal springs was regarding the idea of it causing some kind of EM interference - good to know that i don't need to be removing piercings everytime i attempt - which is on a nightly basis now mostly. But does this also mean then that there should be no problems caused by electrical items nearby like computer and tv? Thanks for helping to dispel this myth. The metal springs affecting [pressure poitn smight be a more tangible concern too.