Not Airworthy
When you go through airport security, you may have certain items confiscated that aren’t necessarily bad, but perhaps aren’t suited to the nature of flying. These items may include certain clothing and electronics. Nobody has ever suggested that transporting more than 100 milliliters of liquid is in any way risky, but for some reason, it is against the policies of many airlines, for example, to transport more than 100 milliliters of liquid.
Even though this phone case that looks like a Swiss Army knife might come in handy in some circumstances, passengers on airplanes should not be permitted to bring items like this onto the aircraft with them. When it comes time for your next flight, give some thought to what you need to bring with you in both your carry-on bag and your larger suitcase.