But use of this device just truly feels so effortless and fluid. Hopefully it doesnt happen with my new pair but Ill be more careful with this new pair. I personally prefer gold coated pins but that is not the case for sound quality. I am actually going to throw these out and buy some different ones from a store where I can try them on. The material these are made of seem to be of high quality, and its nice that the wire is not too long, and has a little plastic stop to prevent the two input cable from flapping about. So if you are unsure buy 2 sizes, your regular size and one down. The non slip tab at the back of the sock helps keep the heel in place and I love that feature. This was not made clear. They slide on with ease, and feel great to walk around in. My fitter fitted it as I dont have proper drills.