Non-engineers notice mine all the time too. I'm so used to wearing though (and sort of forget that I am sometimes) that usually there's a few seconds where I'm

Non-engineers notice mine all the time too. I'm so used to wearing though (and sort of forget that I am sometimes) that usually there's a few seconds where I'm very confused as to how they know I'm an engineer. It's also great for tapping out a rhythm on any hard surface you can find.