I glued a ear headphones again, rausgepopelt metal on plastic, old adhesive, and the super glue I could very precisely without running to splash on the surfaces. Then I wiped with a handkerchief the adhesive. Not a good idea - because the handkerchief has worked in the superglue. At first I thought that was it. I then with nail polish remover pads "are without acetone" all Klebereste gotten clean. And now see the headphones as good as new, and is absolutely secure. Absolutely incredible best adhesive that is I've ever seen ..