1. If you are getting a tattoo on your hip a leotard is not a good clothing choice, unless you like being naked in front of strangers.
2. An MP3 player or tablet is good for distraction as long as we can't hear what you are listening to. We want you to be comfortable it helps you sit longer and makes the time fly by. A game system however is a bad choice, tattooing a button masher is not good for anyone involved.